Cyber attack – A compendium of knowledge

Cyberattacks – everything you need to know. A practical guide to hacking attacks

In an era of digital transformation, cyber security has ceased to be the domain of IT departments alone, becoming a key component of any organization’s strategy. The scale of threats is growing at an alarming rate – a cyberattack is attempted every 39 seconds, and global losses related to cybercrime reached an astronomical $8 trillion in 2023. That’s more than the GDP of all countries except the US and China.
The dynamics of cyber threats means that traditional methods of protection are no longer effective. Criminals are using artificial intelligence, machine learning and advanced automation to launch increasingly sophisticated attacks. At the same time, the growing complexity of IT infrastructure, remote working and ubiquitous digitization are creating new attack vectors that require a comprehensive approach to security.
In this comprehensive guide, cybersecurity experts take a detailed look at the nature of today’s cyber threats, outline the most effective methods of protection, and forecast future trends in this rapidly evolving field. Whether you’re responsible for the security of a large organization or you want to better protect your private data, you’ll find the practical guidance and expertise you need to successfully defend against cyber threats.

What is a cyber attack?

A cyber attack is a deliberate act against computer systems, networks or electronic devices to gain unauthorized access, steal data or disrupt the normal functioning of IT infrastructure. In today’s digital world, where most business processes rely on technology, these attacks represent one of the biggest threats to organizations of all sizes.

The scale of this phenomenon is alarming – according to a report by Cybersecurity Ventures, the global cost of cybercrime reached $8 trillion in 2023. What’s more, experts predict that this amount will grow by an average of 15% per year, reaching $10.5 trillion by 2025. These figures show how serious a challenge cyber attacks have become for modern business.

Today’s cyberattacks are characterized by a high level of technical sophistication and often use a combination of different methods and tools. Criminals regularly adapt their techniques, using the latest technologies, including artificial intelligence and machine learning, to launch increasingly sophisticated attacks.

Understanding the nature of cyberattacks requires an awareness that they are not random events, but precisely planned operations. Cybercriminals often spend months identifying their target, identifying security weaknesses and planning the most effective attack strategy. This process can involve a detailed analysis of an organization’s IT infrastructure, its employees and the security procedures in place.

What are the main types of cyberattacks?

The classification of cyberattacks covers a wide range of techniques and methods that evolve with the development of technology. Malware attacks are the most widespread, accounting for about 58% of all security incidents, according to the latest statistics. This category includes viruses, Trojans, ransomware and other malware.

Phishing, a form of social engineering, ranks second in terms of incidence. Studies show that 90% of all successful hacks begin with a phishing attack. Criminals are constantly refining their techniques, creating ever more convincing messages and websites.

Ataki typu DDoS (Distributed Denial of Service) stanowią trzecią najczęstszą formę cyberataków. W 2023 roku zaobserwowano wzrost ich intensywności o 30% w porównaniu z rokiem poprzednim. Współczesne ataki DDoS potrafią generować ruch sieciowy przekraczający 1 Tbps, co stanowi poważne zagrożenie nawet dla najlepiej zabezpieczonych systemów.

Attacks using Advanced Persistent Threat (APT) techniques, characterized by prolonged covert activity on the victim’s systems, are also becoming an increasing problem. According to experts, the average detection time for such an attack is 207 days, giving criminals enough time to achieve their goals.

What are the targets of cyberattacks?

The motivations behind cyber attacks are varied, but financial gain remains the most common goal. According to analysis, 86% of all cyber attacks are motivated by the desire for material gain. Criminals use a variety of methods to monetize their activities, from directly stealing funds from bank accounts to extorting ransom payments to decrypt data.

Industrial espionage is the second most important target of cyberattacks. Organizations fall victim to theft of intellectual property, trade secrets or strategic development plans. Losses from such attacks are difficult to estimate, but experts estimate them at hundreds of billions of dollars a year.

Politically motivated attacks, often sponsored by states, are becoming an increasingly serious threat. Their goal is to destabilize critical infrastructure, disrupt state institutions or influence democratic processes. Recent years have seen a significant increase in the number of such incidents.

Some attacks are carried out to build a reputation in the cybercriminal community or to demonstrate technical skills. While they may seem less threatening, they often lead to serious damage to attacked systems and the exposure of sensitive data.

Who are the cybercriminals?

The cybercriminal community is extremely diverse and includes many different groups with different motivations and levels of sophistication. The largest group is made up of organized crime groups that treat cyberattacks as a source of income. It is estimated that they are responsible for about 55% of all advanced attacks.

State-sponsored hackers form an elite group of cyber criminals with significant resources and advanced tools. Their activities usually target strategic targets, such as critical infrastructure or government institutions. According to security reports, the number of attacks carried out by these groups has increased by 40% in the last year.

Independent hackers, often referred to as “freelancers,” are also an important group. Their motivations can range from a desire for profit to ideology or simple curiosity. Statistics show that they are responsible for about 30% of all security incidents, although their attacks are usually less sophisticated.

A disturbing trend is the growing number of novice cybercriminals who are using readily available cybercrime-as-a-service tools and services. This phenomenon significantly lowers the barrier to entry into the world of cybercrime and leads to an increase in the number of lower-level but still potentially damaging attacks.

What techniques do cybercriminals use?

Today’s cybercriminals employ complex, multi-stage attack strategies that combine various techniques and tools. The foundation of most attacks is a detailed reconnaissance of the target, referred to as “reconnaissance.” In this phase, criminals gather information about a potential victim, using both publicly available data and sophisticated network scanning techniques. This process can take weeks or even months.

Social engineering remains one of the most effective techniques used by cybercriminals. According to recent studies, more than 98% of attacks use elements of psychological manipulation. Criminals have a keen understanding of human nature and use traits such as curiosity, fear or a desire to help to launch successful attacks. Particularly alarming is the increase in the use of deepfakes in social engineering attacks, with more than 500% more such cases reported in 2023 than in the previous year.

Automating attacks is becoming an increasingly common practice among cybercriminals. They are using sophisticated artificial intelligence-based tools to scan networks, identify vulnerabilities and launch attacks on a massive scale. Automated attack systems can conduct thousands of intrusion attempts per second, testing various password combinations and exploiting known security vulnerabilities.

Also in the arsenal of cybercriminals are techniques to bypass traditional security systems. Examples include the use of the DNS protocol to tunnel malicious network traffic or living-off-the-land techniques, which involve using legitimate system tools for malicious purposes. According to statistics, more than 30% of advanced attacks use these methods, making them significantly more difficult to detect by standard security systems.

What are the characteristics of phishing?

Phishing represents one of the most widespread types of cyber-attacks, characterized by the use of social engineering techniques to obtain confidential information. The effectiveness of this type of attack is due to its constant evolution – modern phishing campaigns are extremely sophisticated and difficult to detect even for experienced users. Statistics show that about 32% of all confirmed data breaches begin with a phishing attack.

Spear phishing, or targeted phishing attacks, has become a particularly dangerous variant of this technique. Unlike mass campaigns, these attacks are precisely tailored to a specific victim. Criminals often spend weeks gathering information about the target, analyzing their social media activity, company structure or business relationships. The effectiveness of spear phishing is up to five times higher than traditional phishing attacks.

Whaling, or attacks targeting high-level executives, is another dangerous variant of phishing. Criminals use detailed information about a company’s operations and executives to craft convincing messages, often impersonating trusted business partners or lawyers. The average loss caused by a successful whaling attack is $1.7 million.

A new trend in phishing is the use of deepfake techniques to create fake audio and video content. Criminals are able to generate convincing voice recordings or video conferences in which they impersonate well-known individuals. In 2023, the first cases of successful attacks using voice synthesis to authorize bank transfers were reported, demonstrating the growing threat posed by this technology.

What is malware and what are its types?

Malware, or malicious software, remains one of the most versatile tools in the arsenal of cybercriminals. Modern malware often combines features of different types of malware to create hybrid threats capable of adapting and evading detection. According to the latest data, more than 450,000 new malware variants are created every day.

Ransomware has evolved from a simple tool that encrypts data into a complex mechanism that extorts ransom through multi-level blackmail. Modern ransomware campaigns not only encrypt data, but also steal it and threaten to make it public. This model of operation, known as “double extortion,” has proven to be extremely effective – in 2023, the average value of ransomware increased by 78% compared to the previous year, reaching $350,000.

Banking trojans are becoming increasingly sophisticated, using overlay attack techniques to intercept login credentials and authorize transactions. The latest variants can bypass two-factor authentication by intercepting SMS codes or manipulating mobile app sessions. Global losses caused by banking trojans are estimated to have exceeded $4 billion last year.

A particularly dangerous trend is the rise in popularity of fileless malware, which operates only in the system’s memory, leaving no traces on the hard drive. This type of threat is extremely difficult for traditional antivirus systems to detect, with detection rates as low as 20%. According to a Microsoft Security Intelligence report, attacks using fileless techniques have increased by 140% in the last year.

How does a malware attack work?

A modern malware attack is a complex process consisting of several key steps. The first is malware distribution, which is most often done through infected email attachments, malicious advertising (malvertising) or compromising legitimate websites. Studies show that 94% of malware is delivered via email, making this distribution channel the most popular among cybercriminals.

Once a system is infected, malware begins a phase of installing and hiding its presence. Modern malware uses advanced cloaking techniques, such as polymorphism and code encryption, to avoid detection by security systems. The average time it takes for advanced malware to be detected on a system is currently 287 days, giving criminals enough time to achieve their goals.

The next step is to establish communication with the command and control (C&C) server. Modern malware uses increasingly sophisticated communication methods, including DNS protocols, HTTPS or even social media platforms, to mask its network activity. According to a recent study, 67% of malware uses encrypted communication, making it significantly more difficult to detect and block.

Once the malware has established control over the system, it begins to pursue its main goal – this could be stealing data, encrypting files or using the computer’s resources to mine cryptocurrencies. Modern malware often has a modular design, allowing it to dynamically adjust its functionality depending on the attackers’ needs and the characteristics of the infected system.

What is a DDoS attack and what are its consequences?

Ataki typu Distributed Denial of Service (DDoS) ewoluowały z prostych prób przeciążenia serwerów w wyrafinowane operacje wykorzystujące zaawansowane techniki amplifikacji ruchu i botnety składające się z milionów zainfekowanych urządzeń. Współczesne ataki DDoS potrafią generować ruch o wielkości przekraczającej 3 Tbps, co stanowi poważne wyzwanie nawet dla największych dostawców usług internetowych.

Koszty związane z atakami DDoS rosną w alarmującym tempie. Według najnowszych analiz, średni koszt godziny przestoju spowodowanego atakiem DDoS dla dużej organizacji wynosi 400,000 dolarów. Straty te obejmują nie tylko bezpośrednie koszty związane z przerwą w działaniu usług, ale również długoterminowe skutki w postaci utraty reputacji i odpływu klientów.

A disturbing trend is the use of DDoS attacks as a smokescreen for other, more sophisticated cybercriminal operations. Criminals often launch DDoS attacks against an organization’s network infrastructure while simultaneously attempting to infiltrate its systems through other methods. Research shows that in 40% of cases, a DDoS attack is part of a larger, multi-vector cyber campaign.

The growth of the Internet of Things (IoT) has significantly increased the potential for DDoS attacks. Unprotected IoT devices are being taken over en masse by cybercriminals and incorporated into botnets. It is estimated that more than 25 billion IoT devices are currently connected to the Internet, with the number growing by 127 new devices per second. This explosive growth in the number of potentially vulnerable devices creates ideal conditions for increasingly powerful DDoS attacks.

What is the Man in the Middle attack based on?

The Man in the Middle (MitM) attack remains one of the most insidious threats in cyberspace, allowing criminals to intercept and manipulate communications between two parties. Today’s MitM attacks use sophisticated techniques to bypass the security of encryption and authentication protocols. According to a recent study, the number of such attacks has increased by 90% over the past year, especially in the context of remote work and increased use of public Wi-Fi networks.

A particularly dangerous variant of the MitM attack is SSL stripping, which degrades a secure HTTPS connection to unsecured HTTP. This technique is effective in about 35% of cases, even against HTTPS-aware users. Criminals mainly use this method to intercept login credentials and payment card information, causing losses estimated at hundreds of millions of dollars a year.

The development of 5G technology has brought new challenges in the context of MitM attacks. The high bandwidth and low latency of 5G networks enable criminals to launch more sophisticated attacks in real time. Experts warn that about 60% of 5G infrastructure may be vulnerable to advanced MitM attacks that exploit vulnerabilities in signaling protocols.

IoT presents further opportunities for MitM attacks due to the often inadequate security of communication between devices. In 2023, there were more than 1.5 million cases of successful MitM attacks on IoT devices, up 127% from the previous year. Criminals are using the seized devices not only to steal data, but also as entry points into broader corporate networks.

What is cross-site scripting?

Cross-site scripting (XSS) remains one of the most common threats to web applications, accounting for about 40% of all detected vulnerabilities. XSS attacks have evolved from simple JavaScript exploits into complex operations using sophisticated security bypass and automation techniques. According to OWASP, an average of 2 in 3 web applications contain XSS vulnerabilities.

Particularly dangerous are persistent XSS attacks, where malicious code is permanently stored in the application database. This type of attack can affect thousands of users before it is detected. Statistics show that the average detection time for persistent XSS is 43 days, giving criminals enough time to carry out extensive data theft campaigns.

Modern JavaScript frameworks can paradoxically increase the risk of XSS attacks by introducing new attack vectors. A 2023 analysis found that 72% of applications based on popular frameworks contain potential XSS vulnerabilities, often due to improper implementation of data sanitization mechanisms.

DOM-based XSS is becoming an increasingly serious threat with the growing popularity of single-page applications (SPAs). This type of attack uses DOM manipulation to inject malicious code, bypassing traditional protection mechanisms. Research shows that 45% of all XSS attacks in 2023 used Dom-based techniques specifically, an 80% increase from the previous year.

What are the phases of a cyber attack?

Współczesne ataki cybernetyczne przebiegają według złożonego, wieloetapowego procesu znanego jako Cyber Kill Chain. Pierwsza faza – rozpoznanie – może trwać nawet kilka miesięcy i obejmuje szczegółową analizę infrastruktury celu, jego pracowników oraz stosowanych zabezpieczeń. Statystyki pokazują, że przestępcy spędzają średnio 14 tygodni na tej fazie, co znacząco zwiększa skuteczność późniejszego ataku.

Arming and delivering the malicious payload are the next key steps in the process. Criminals are using increasingly sophisticated techniques, such as steganography and polymorphic malware, to evade detection. According to recent research, 67% of malware uses advanced cloaking techniques, leaving traditional security systems to detect only 30% of threats at this stage.

The exploitation and installation of malware often runs in parallel with the creation of persistent access mechanisms to the infected system. Criminals use techniques such as rootkits and backdoors to secure long-term access to the victim’s network. The average time to maintain unauthorized access to an infected system is 280 days.

The final phase – the execution of the target – can last for weeks or months, during which criminals systematically steal data or carry out other malicious activities. In the case of APT (Advanced Persistent Threat) attacks, this phase can last up to several years. Statistics show that the average value of stolen data in long-term APT attacks exceeds $5 million.

What are the most common attack vectors on IT infrastructure?

An organization’s IT infrastructure is facing increasingly complex security challenges, where traditional corporate network boundaries are blurring in the face of remote work and cloud computing. Recent research indicates that unsecured endpoints are a major attack vector, accounting for 70% of successful intrusions. Particularly worrisome is the fact that the number of vulnerable endpoints has increased by 48% over the past year, largely due to the prevalence of remote work.

Outdated systems and applications remain a critical security problem, creating vulnerabilities that cybercriminals are eager to exploit. According to analysis, 60% of all successful attacks exploit vulnerabilities for which security patches have been available for at least a year. The problem is particularly pronounced in the industrial sector, where operating systems and industrial software are often not updated for many years due to production stability requirements.

Misconfiguration of cloud services is becoming an increasingly serious problem as organizations accelerate their digital transformation. In 2023, there was a 300% increase in security incidents related to cloud misconfiguration. The most common mistakes include leaving default security settings, inadequately managing permissions and failing to encrypt sensitive data. The average cost of a security breach resulting from cloud misconfiguration is $4.2 million.

Weak authentication and identity management remain a significant attack vector, especially in the context of increased use of SaaS services and collaboration platforms. Security incident analysis shows that 81% of successful intrusions use stolen or weak credentials. Criminals are increasingly using credential stuffing techniques, launching automated attacks using databases containing billions of stolen login credentials.

How do we recognize that we have been the victim of a cyber attack?

Detecting a cyber attack at an early stage can significantly reduce potential losses, but modern attacks are designed to remain undetected for as long as possible. One of the first warning signs is unusual system or network behavior. Analysis of security incidents shows that in 67% of cases, victims notice a slowdown in system performance long before the actual attack is discovered, but they often ignore these early signals.

Unusual network activity, especially at unusual hours or to unknown locations, should always raise suspicions. Statistics show that 58% of malware communicates with C&C servers during nighttime hours, when network monitoring is often less intense. Criminals are increasingly using techniques to mask network traffic, but communication patterns can still be detected by sophisticated monitoring systems.

Unexplained changes in the configuration of systems or the appearance of new user accounts are often signs of an ongoing attack. Research indicates that in 70% of successful intrusions, criminals create additional administrator accounts in the first 24 hours after gaining access. Regular privilege audits and monitoring of system configuration changes can help detect such anomalies quickly.

A sudden increase in the number of failed login attempts or security alerts can indicate an ongoing attack. Case studies show that criminals conduct an average of 1,200 failed login attempts, testing various combinations of credentials, before successfully breaking in. SIEM systems should be configured to detect such activity patterns and generate appropriate alerts.

What are the effects of cyberattacks on companies?

Today’s cyber-attacks can have catastrophic consequences for organizations far beyond direct financial losses. First and foremost, it is important to understand that the costs associated with a security breach are increasing every year – the average cost of a data breach in 2023 was $4.45 million, up 15% from the previous year. These costs include not only the direct expenses associated with responding to an incident, but also the long-term effects on a company’s operations.

Loss of reputation is one of the most severe and long-lasting consequences of a cyber attack. Studies show that 60% of small and medium-sized companies close within six months of a major security breach, mainly due to loss of customer trust. For large corporations, the reputational effects can last for years – market analysis shows that companies affected by a major cyberattack experience an average of a 7% decline in stock value over the long term.

Operational downtime caused by cyber attacks generates huge losses. In the case of ransomware, the average downtime is 21 days, which can mean losses of up to millions of dollars a day for large organizations. Particularly worrisome is the fact that 40% of companies do not have an effective business continuity plan, which significantly increases the recovery time after an attack.

Legal and regulatory consequences are becoming an increasingly serious issue in light of tightening data protection regulations. Penalties imposed by regulators can be as high as 4% of a company’s global turnover. In 2023, the total value of fines imposed for data security breaches exceeded $5 billion globally. In addition, companies often face costly class action lawsuits from aggrieved customers.

What are the effects of cyberattacks on individuals?

The effects of cyber attacks on individuals can be as devastating as on organizations, often leading to long-term financial and emotional problems. Identity theft, a common consequence of personal data leaks, affects an estimated 9 million people annually. The process of recovering a stolen identity takes an average of 100-200 hours of work and can stretch over a period of 6-12 months.

Financial losses from cyber attacks on individuals are steadily increasing. According to the latest data, the average financial loss for a victim of an online scam is $9,000, but in the case of advanced Business Email Compromise (BEC) attacks, the amount can rise as high as $75,000. Particularly alarming is the fact that only 20% of victims manage to recover their lost funds.

Wpływ na zdrowie psychiczne jest często pomijanym, ale niezwykle istotnym skutkiem cyberataków. Badania psychologiczne wykazują, że 85% ofiar cyberataków doświadcza długotrwałego stresu i niepokoju, a 41% zgłasza objawy depresji w następstwie incydentu. Te problemy często przekładają się na spadek produktywności w pracy i pogorszenie relacji społecznych.

Privacy breaches can have long-term consequences for a victim’s personal and professional life. Stolen personal information often remains in circulation for many years, used repeatedly in various scams. Analysis of the dark web shows that the average lifespan of stolen personal data is 2-3 years, during which it can be sold and used repeatedly by criminals.

Which industries are most vulnerable to cyberattacks?

The financial sector is on the front lines of cyberattacks, experiencing an average of 819 attempted attacks per week against the organization. This intensity is due to direct access to funds and the vast amount of sensitive customer data. Particularly worrisome is the increase in the number of attacks using artificial intelligence to bypass banking security systems, with 300% more such incidents reported in 2023 than in the previous year.

Health care has become the second most attacked sector, which has to do with the high value of medical data on the black market. A single medical record can be worth as much as $250, while credit card data is valued at an average of $5. Medical facilities are particularly vulnerable to ransomware attacks – in 2023, 48% of all ransomware attacks in the healthcare sector resulted in ransom payments, significantly higher than the average for other industries.

The energy sector and critical infrastructure are experiencing increasingly sophisticated attacks, often state-sponsored. SCADA systems and industrial infrastructure are particularly vulnerable due to outdated security and long update cycles. Incident analysis shows that 89% of successful attacks on critical infrastructure exploit vulnerabilities that have been known for at least a year and have not been patched due to concerns about the stability of production systems.

E-commerce and retail are attractive targets due to the huge volume of transaction data and payment card information. During busy periods such as Black Friday and the holidays, the number of attacks on e-commerce platforms increases by up to 200%. Of particular concern is the rise in popularity of web skimming (Magecart) attacks, which affected more than 80,000 online stores in 2023.

What are the basic methods to protect against cyber attacks?

A multi-layered approach to security (defense in depth) is the foundation for effective protection against today’s cyber threats. Studies show that organizations using this approach reduce the average cost of a security breach by $2.3 million. The key is to understand that no single solution will provide complete protection – a comprehensive strategy that includes both technical and organizational aspects is needed.

Regular updates to systems and applications remain one of the most effective ways to protect yourself. Statistics indicate that 60% of security breaches could have been avoided by timely implementation of available updates. Organizations should implement a rigorous update management process, covering not only operating systems, but also business applications and industrial software. Special attention should be paid to so-called zero-day exploits, which have increased by 58% in the last year.

Network segmentation and the principle of least privilege significantly reduce the potential scope of a security breach. Analysis of successful attacks shows that in 74% of cases criminals use redundant privileges to spread across an organization’s network. Implementing microsegmentation can reduce the average cost of a security breach by 35% by limiting the ability of attackers to move laterally.

Multi-factor authentication (MFA) is a critical layer of protection, especially in the context of remote work. Studies show that MFA blocks 99.9% of automated attacks on user accounts. Yet only 55% of organizations require MFA for all users, a major security gap. Modern MFA solutions, using biometrics and hardware tokens, offer an additional layer of protection against advanced phishing techniques and man-in-the-middle attacks.

Why are strong passwords so important in cyber security?

The importance of strong passwords in cyber security can hardly be overstated, especially in light of recent statistics on the effectiveness of attacks using weak or stolen credentials. Modern computers can crack an 8-character password containing only lowercase letters in less than an hour. What once seemed secure is now minimal security in the face of the growing computing power available to cybercriminals.

The complexity of today’s password attacks goes far beyond simple guessing attempts. Criminals are using advanced techniques such as rainbow tables and AI-assisted dictionary attacks that can test billions of password combinations per second. Research shows that 73% of users still use the same password for multiple accounts, which, if data is leaked from one service, exposes all other accounts to takeover. This is especially dangerous when you consider that on average, a hacking attempt using stolen credentials occurs every 39 seconds.

Implementing a strong password policy in an organization can reduce the risk of successful hacking by 66%, but simply enforcing complex passwords is not enough. It is crucial to understand that the length of a password matters more than its complexity. A password of 16 characters, even if only lowercase letters, is more difficult to crack than an 8-character password containing a variety of character types. That’s why modern security standards recommend using passwords with a minimum length of 14 characters, preferably in the form of easy-to-remember phrases.

What role does encryption play in protecting against cyber attacks?

Encryption is a fundamental layer of data protection, both during storage and transmission. In the current era, when 60% of the world’s Internet traffic is potentially monitored by various entities, the importance of properly implemented encryption becomes crucial. It is particularly important to understand that the mere presence of encryption does not guarantee security – the quality of implementation and key management are critical.

Post-quantum cryptography is becoming an increasingly important topic in the development of quantum computers. Experts estimate that in the next 5-10 years quantum computers may be able to break current asymmetric encryption algorithms. That’s why organizations should already be planning to migrate to algorithms resistant to quantum attacks. Research shows that only 23% of large organizations are actively preparing for this transition, which poses a serious risk to long-term data security.

End-to-end encryption in business communications is becoming an industry standard, especially in the context of remote work. Security incident analysis shows that organizations using full end-to-end encryption reduce the average cost of a security breach by $1.4 million. However, implementing such encryption requires careful planning and can generate challenges related to system performance and security monitoring capabilities.

Zero-trust encryption, an approach that involves encrypting data even inside an organization’s secure network, is gaining popularity. In this model, data is encrypted not only during transmission, but also during processing, making it significantly more difficult for potential attackers to access sensitive information. Statistics show that organizations using zero-trust encryption experience 42% fewer successful intrusions than those relying on the traditional perimeter security model.

What tools and technologies help protect against cyber attacks?

Modern protection against cyber attacks requires advanced tools and technologies that evolve as new threats emerge. SIEM (Security Information and Event Management) systems are at the heart of cyber security strategies, aggregating and analyzing data from various sources in real time. The effectiveness of these systems has significantly increased thanks to the integration of artificial intelligence – the latest SIEM solutions can detect potential threats up to 15 days earlier than traditional systems, giving organizations invaluable time to react.

Endpoint Detection and Response (EDR) solutions have undergone significant evolution in response to the increasing complexity of endpoint attacks. Today’s EDR systems use machine learning to detect abnormal behavior and potential threats before they cause damage. Studies show that organizations using advanced EDR solutions reduce the mean time to detect a threat (MTTD) by 70%, from 197 to 58 days. This is particularly important in the context of remote work, where traditional perimeter security is losing ground.

Sandboxing technologies are becoming increasingly sophisticated, offering the ability to safely test suspicious files and applications in an isolated environment. The latest solutions use hardware emulation and nested virtualization techniques to detect even the most advanced threats that can detect the sandbox environment and change their behavior. Statistics show that the implementation of advanced sandboxing systems can reduce the risk of a successful malware infection by 85%.

Next-generation intrusion prevention systems (NGIPS) use advanced analytics and machine learning to identify complex attack patterns. Unlike traditional IPS, which relied primarily on signatures of known threats, NGIPS systems can detect previously unknown attacks by analyzing behavior and anomalies in network traffic. On average, organizations using NGIPS report 47% fewer successful intrusions than those relying on traditional solutions.

How to properly secure company data?

Protecting corporate data requires a comprehensive approach that goes far beyond simply implementing technical tools. The foundation of an effective strategy is proper data classification, which allows the appropriate level of protection to be assigned to different categories of information. Studies show that organizations with a well-defined data classification system reduce the average cost of a security breach by $1.8 million. The key is to understand that not all data requires the same level of protection – a differentiated approach allows for optimal use of available resources.

Encryption of data at rest (data at rest) and data in transit (data in transit) is an essential layer of protection, but the implementation of encryption itself must be thoughtful and systematic. Organizations often make the mistake of focusing solely on encrypting sensitive data, while modern attacks often use seemingly irrelevant data to carry out more complex operations. Statistics show that 67% of successful attacks begin with the compromise of data considered “non-critical.” Therefore, the recommended approach is to encrypt all corporate data by default.

Role-based access control (RBAC) combined with the principle of least privilege is a key element in protecting corporate data. The implementation of advanced identity and access management (IAM) systems allows for precise control over who can access certain resources and under what circumstances. Organizations using advanced IAM solutions reduce the risk of internal security breaches by 63%. It is particularly important to review and update permissions regularly – research shows that 90% of users have more permissions than they actually need to perform their duties.

What are the best practices for cyber security?

Effective protection against digital threats requires a systematic approach based on proven security practices. The foundation is the principle of defense in depth, which involves creating multiple layers of security. Imagine a medieval castle – it did not rely on just one wall, but had a moat, outer walls, a barbican, inner walls and a donjon. Similarly, a modern organization should build successive lines of defense, where each layer of security compensates for potential weaknesses in the others. Studies show that organizations using a multi-layered approach reduce the risk of successful intrusion by 83%.

Vulnerability management must be an ongoing process, not a one-time activity. Today’s organizations are like living organisms – they are constantly changing and evolving, and with them come new vulnerabilities. Regular scanning of networks and systems for vulnerabilities should be complemented by a process of prioritization and risk management. Statistics show that 60% of organizations that have fallen victim to a cyber attack had security patches available for the vulnerabilities used, but did not implement them in a timely manner. It is therefore crucial not only to detect vulnerabilities, but also to effectively manage the patching process.

24/7 security monitoring has become an industry standard, but simply collecting logs and alerts is not enough. Organizations need to develop the ability to quickly analyze and respond to incidents. The Mean Time To Detect (MTTD) in organizations with advanced monitoring is 24 hours, while in others it can exceed 200 days. It is particularly important to implement automation in the process of analyzing security incidents – systems using artificial intelligence can analyze millions of events a day and pick up subtle patterns that indicate a potential threat.

An organization’s security culture is as important as the technical solutions. Studies show that 95% of security breaches are related to human error. Building security awareness among employees must go beyond traditional training – it should include regular hands-on exercises, simulated phishing attacks and clear incident reporting procedures. Organizations that invest in building a security culture report 70% fewer successful social engineering attacks.

How do you educate employees about cyber security?

Employee cyber security education must evolve with the changing threat landscape. Traditional one-day training courses are no longer effective in the face of rapidly changing attack techniques. The modern approach to security education is based on the concept of continuous learning and hands-on experience. Studies show that organizations using interactive, time-distributed training programs score 75% better on security awareness tests than those relying on traditional methods.

Simulated phishing attacks have become a key educational tool, allowing employees to experience real threats in a controlled environment. The most effective programs start with simple scenarios, gradually increasing the level of sophistication of the simulated attacks. Statistics show that after a year of regular exercises, the number of employees clicking on suspicious links drops from 27% to 3% on average. However, it is crucial that simulations are combined with immediate feedback and remedial training for those who fail to recognize the threat.

Microlearning and contextual training are becoming the standard in safety education. Instead of long, one-off sessions, employees receive short, targeted information directly related to their daily work. For example, attempting to download an attachment from an unknown source may trigger a short educational message explaining the risks involved. Studies show that this approach increases recall of information by 50% compared to traditional training methods.

How to create an effective cyber attack response plan?

Creating an effective security incident response plan is akin to preparing aviation emergency procedures – it must be detailed, regularly tested and known by all involved. The plan should define clear roles and responsibilities, specify communication procedures, and include detailed action instructions for various attack scenarios. Studies show that organizations with a well-tested response plan reduce the average cost of a security breach by $2.1 million.

A key element of the plan is the creation of an incident response team (CERT/CSIRT) to coordinate activities during an attack. This team should consist of representatives from different departments of the organization – not only IT and security, but also legal, HR, communications and management. Experience shows that organizations with a dedicated CERT team reduce the average incident response time (MTTR) by 60%, from 6.2 to 2.5 days. It is particularly important to regularly conduct exercises that simulate various attack scenarios, which helps identify and eliminate weaknesses in procedures.

Documentation and procedures must not only be complete, but most importantly practical and easy to apply under stressful conditions. The plan should include clear criteria for incident escalation and procedures for decision-making in emergency situations. Statistics show that in 73% of cases delays in incident response are due to unclear decision-making procedures or lack of access to key decision-makers. Therefore, it is important to create a RACI (Responsible, Accountable, Consulted, Informed) matrix for different types of incidents and to ensure that decision-makers are available 24/7.

Regular testing and updating of the plan is as important as its creation. As with firefighting equipment, the mere presence of a plan does not guarantee safety – it must be regularly tested and adapted to changing conditions. It is recommended that the plan be fully tested at least twice a year, with additional exercises for specific scenarios every quarter. Organizations that regularly test their response plans perform 35% better in actual emergencies.

What to do if a cyber attack is detected?

The first minutes after a cyber attack is detected are crucial and require calm but decisive action. As in emergency medicine, there is a “golden hour” during which the actions taken have the greatest impact on the final outcome. The first step should be to gather basic information about the attack – its scope, potential impact on critical systems, and an initial risk assessment. Studies show that organizations that are able to gather key information and take appropriate action in the first hour after an attack is detected reduce the average cost of an incident by 70%.

Isolation of infected systems must be done thoughtfully so as not to cause more damage than the attack itself. It is like a surgical operation – you have to precisely isolate the infected area, while taking care to maintain critical body functions. Statistics show that in 45% of cases an ill-considered disconnection of systems causes more business damage than the attack itself. That’s why it’s crucial to have pre-prepared isolation procedures for different scenarios and clear criteria for making such decisions.

Communication during a security incident requires special attention and precision. It is important to remember that in a crisis situation, information is as valuable as time. The organization should have templates of messages prepared for different stakeholder groups – employees, customers, media and regulators. Studies show that organizations that have crisis communication procedures prepared and tested reduce reputational damage associated with a cyber attack by an average of 53%.

Documenting all actions taken in response to an attack is critical not only from a legal perspective, but also for subsequent analysis of the incident. Every decision, action and their results should be recorded along with the exact time and persons responsible. Statistics show that organizations that keep detailed documentation of incidents are able to detect and stop similar attacks 40% faster in the future.

What are the most important cyber security regulations?

The regulatory landscape in cybersecurity is becoming increasingly complex, with new requirements emerging at the national and international levels. The GDPR (RODO) remains a fundamental piece of legislation in Europe, introducing stringent data protection requirements. Organizations must pay particular attention to the requirement to report breaches within 72 hours of discovery. Statistics show that the average cost of a GDPR breach is 4% of a company’s annual turnover or €20 million, whichever is higher.

The NIS2 directive introduces additional requirements for key service operators and digital service providers. Unlike its predecessor, NIS2 significantly expands the scope of covered entities and introduces more stringent security requirements. Covered organizations must implement advanced security management systems, conduct regular audits and maintain business continuity plans. Failure to comply with these requirements can result in fines of up to €10 million or 2% of global turnover.

Sector-specific regulations, such as PSD2 for the financial sector and critical infrastructure regulations, impose additional obligations related to cyber security. Particular attention should be paid to requirements for penetration testing, third-party risk management and business continuity. Studies show that organizations in regulated sectors spend an average of 60% more on cyber security than entities in unregulated sectors.

Reporting obligations are becoming increasingly stringent. Organizations must not only report incidents to the appropriate authorities, but also keep detailed records of preventive and corrective actions. Statistics show that 65% of organizations are not fully prepared to meet reporting requirements in the event of a major security incident. Therefore, it is crucial to implement systems and procedures to quickly collect and analyze incident information.

Which cyberattacks were the largest in history?

The history of cybersecurity is marked by several landmark attacks that fundamentally changed our approach to protecting IT systems. The 2017 WannaCry attack remains one of the most significant examples of the global ransomware threat. In just 24 hours, it infected more than 230,000 computers in 150 countries, causing an estimated $4 billion in losses. This incident highlighted the importance of regular system updates – most infections could have been avoided by applying security patches available earlier.

NotPetya, which appeared shortly after WannaCry, demonstrated the destructive potential of advanced cyber attacks. Initially masquerading as ransomware, NotPetya turned out to be a cyber weapon designed to destroy data. Losses from this attack exceeded $10 billion, making it the costliest cyberattack in history. Global corporations such as Maersk and FedEx were particularly affected, experiencing days of operational downtime.

The 2017 Equifax data leak is an example of the disastrous consequences of neglecting basic security practices. Criminals exploited a known vulnerability in a web application, gaining access to the personal and financial data of 147 million Americans. The total cost of this breach, including regulatory fines, damages and reputational losses, exceeded $1.7 billion. The incident led to fundamental changes in consumer data protection regulations.

SolarWinds of 2020 has demonstrated a new level of sophistication in supply chain attacks. By infiltrating the software build process, criminals managed to insert malicious code into official updates used by thousands of organizations, including US government agencies. This attack, which went unnoticed for months, changed the way organizations approach software supply chain security.

How have cyberattack techniques evolved over the years?

The evolution of cyberattacks reflects technological advances and the changing goals of criminals. In the 1980s and 1990s, most attacks were motivated by curiosity or a desire for publicity. The first computer viruses, such as the 1988 Morris Worm, were relatively simple in design, but showed the potential for malicious code to spread quickly through computer networks.

The turn of the century brought the professionalization of cybercrime. The emergence of malware created for financial gain changed the threat landscape. Zeus, one of the first banking Trojans, introduced in 2007, ushered in an era of specialized malware. By 2012, it was responsible for the theft of billions of dollars, demonstrating the financial potential of cybercrime.

The last decade has seen a dramatic increase in the complexity and effectiveness of attacks. The development of cloud and IoT technologies has created new attack vectors, while techniques such as fileless malware and living-off-the-land have made threat detection significantly more difficult. Statistics show that the average time it takes to detect an advanced attack has increased from 101 days in 2017 to 287 days in 2023, demonstrating the increasing effectiveness of masking techniques.

What are the latest trends in cybercrime?

Modern cybercrime is evolving at an alarming pace, using the latest technologies to increase the effectiveness of attacks. Particularly evident is the increase in the use of artificial intelligence in criminal operations. AI systems are being used to automate attacks, generate convincing phishing messages and bypass traditional security measures. In 2023, a 300% increase in the number of attacks using advanced language models to create personalized phishing campaigns has been observed, with up to 45% higher effectiveness than traditional attacks.

Ransomware as a Service (RaaS) has revolutionized the business model of cybercrime. These platforms allow even people without significant technical skills to launch sophisticated attacks. According to recent analysis, 80% of ransomware attacks in 2023 were conducted through RaaS platforms. This model not only democratizes cybercrime, but also leads to the professionalization of services – some RaaS groups even offer technical support to their “customers” and guarantees of the effectiveness of attacks.

The Internet of Things (IoT) is becoming an increasingly attractive target for criminals. As the number of connected devices grows exponentially – 75 billion IoT devices are projected by 2025 – the potential attack surface also grows. Of particular concern is the fact that 70% of IoT devices fail to meet basic security standards. Criminals are exploiting these vulnerabilities to create massive botnets, launch DDoS attacks and gain access to corporate networks through unsecured devices.

Supply chain attacks are becoming increasingly sophisticated and destructive. Unlike traditional attacks targeting individual organizations, supply chain attacks allow criminals to compromise hundreds or thousands of targets at once. Statistics show that in 2023, the number of such attacks increased by 430% compared to the previous year. Particularly worrisome is the fact that the average detection time for such an attack is 265 days, giving criminals enough time to carry out extensive operations.

How does artificial intelligence affect the development of cyber attacks?

The impact of artificial intelligence on cyber security is twofold – on the one hand, AI provides new tools for defense, but on the other, it significantly increases the capabilities of attackers. Of particular concern is the development of AI systems capable of automatically detecting vulnerabilities in software. Studies show that advanced AI models can analyze source code 100 times faster than a human, identifying potential security vulnerabilities that can be exploited in attacks.

Next-generation language models have revolutionized the way social engineering attacks are conducted. Criminals are using AI to generate highly persuasive phishing messages that are tailored to the psychological profile of the victim. The effectiveness of such personalized attacks is 70% higher than traditional phishing campaigns. What’s more, AI makes it possible to conduct such attacks on a massive scale, automatically tailoring the content to each recipient.

Particularly dangerous is the development of AI systems capable of bypassing biometric security. Recent studies show that advanced generative models can create synthetic fingerprints and iris patterns that successfully fool biometric systems in 80% of cases. This calls into question the effectiveness of traditional biometric authentication methods and forces the development of new identity verification mechanisms.

Artificial intelligence is also introducing new deepfake threats. Criminals are using sophisticated generative models to create realistic audio and video recordings that are used in attacks targeting executives. In 2023, the first case of a successful $25 million phishing scam using a faked video of a CFO was reported. Technology is advancing so rapidly that traditional methods of verifying the authenticity of media materials are becoming insufficient.

What are the future challenges in cyber security?

The development of quantum technologies represents one of the biggest challenges for the future of cyber security. Quantum computers, when they reach sufficient computing power, will be able to break most current cryptographic systems. Experts estimate that in the next 5-10 years we may reach the so-called quantum supremacy in cryptography, which means that organizations must start preparing now to migrate to algorithms resistant to quantum attacks. Research shows that only 21% of organizations are actively preparing for this transition.

Rosnąca złożoność infrastruktury IT, napędzana przez cloud computing i edge computing, tworzy bezprecedensowe wyzwania dla bezpieczeństwa. Tradycyjne podejście do zabezpieczania perimetru sieciowego przestaje być skuteczne w środowisku, gdzie granice sieci korporacyjnej stają się coraz bardziej rozmyte. Średnia organizacja korzysta obecnie z ponad 1,000 aplikacji chmurowych, z czego 95% nie spełnia wszystkich wymogów bezpieczeństwa korporacyjnego. Ta fragmentacja infrastruktury IT znacząco utrudnia zachowanie spójnego poziomu bezpieczeństwa.

Attack automation is reaching a new level of sophistication. Criminals are using machine learning to create self-adaptive malware that can dynamically change its behavior depending on the environment and security measures in place. It is projected that by 2025, 75% of cyber attacks will be carried out fully automatically, without direct human intervention. This poses new challenges for defense systems, which must be equally adaptive and autonomous.

The shortage of qualified cyber security professionals is becoming an increasingly serious problem. The global cyber security employment gap exceeds 3.5 million vacancies, and the situation is getting worse every year. Organizations are facing the challenge of automating security processes and making efficient use of limited human resources. The use of artificial intelligence to assist security analysts in routine tasks is becoming particularly important.

How does global cooperation affect the fight against cyberattacks?

International cooperation on cybersecurity is becoming crucial in view of the growing scale and complexity of threats. Cybercrime knows no geographic boundaries, and effectively combating threats requires coordinated action at the global level. Statistics show that operations conducted as part of international service cooperation are five times more effective in dismantling organized cybercrime groups than actions by individual countries.

Threat intelligence sharing is becoming a standard in the global security community. Organizations participating in threat intelligence sharing programs detect attacks 60% faster on average than those operating in isolation. The speed of information sharing is particularly important – in the case of new malware campaigns, the first 48 hours are crucial to stopping its spread.

Standardization of regulations at the international level remains one of the biggest challenges in the global fight against cybercrime. Differences in regulations between jurisdictions often make it difficult to prosecute criminals and recover stolen assets. Studies show that in the case of cross-border attacks, successful prosecution of perpetrators succeeds in only 2% of cases. This is why initiatives to harmonize cyber law at the international level are so important.

What does the future hold in terms of attacks and cyber defense?

The future of cyber security will be shaped by several key technological and social trends. The development of quantum technologies could fundamentally change the cybersecurity landscape. On the one hand, quantum computers threaten current cryptographic systems, but on the other hand, quantum cryptography offers the possibility of creating theoretically unassailable encryption systems. Experts predict that in the next 10 years organizations will have to undergo a comprehensive transformation of their security systems in response to these changes.

Zero-trust architecture will become the dominant security model in the post-pandemic era of hybrid work. This model, which assumes no trust in any users or systems, even within an organization, requires continuous verification of identity and authorization. Studies show that organizations implementing zero-trust architecture reduce the average cost of a security breach by 42%. Of particular importance will be the use of advanced behavioral analytics and machine learning to detect anomalies in user and system behavior.

Artificial intelligence will play an increasingly important role in both attack and defense. AI systems will evolve into autonomous security platforms capable of autonomously detecting, analyzing and neutralizing threats in real time. At the same time, a new battlefield will emerge in the form of “AI vs AI,” where defensive systems will have to compete with real-time offensive systems. It is predicted that by 2026, 85% of security-related interactions will be handled by AI systems without direct human intervention.

Security in the era of the metaverse and augmented reality will create new challenges. As the boundaries between the physical and virtual worlds blur, new attack vectors and threats to privacy will emerge. Protection of digital identity and biometric data used in these environments will require special attention. Experts predict that by 2025, 30% of cyber attacks will target assets and identities in the metaverse space.

Cybersecurity education and awareness will become a key component of curricula at all levels. With the growing complexity of threats, organizations will need to invest in continuously improving the competencies of their employees. Spending on cybersecurity training is expected to increase by 300% by 2025, with educational programs using advanced simulation and virtual reality technologies to create realistic training scenarios.

Ultimately, the future of cyber security will require a holistic approach, combining advanced technologies with the human factor. Success in this area will depend on an organization’s ability to adapt to the changing threat landscape, continuously develop competencies, and collaborate effectively on a global level. Only such a comprehensive approach will effectively address the challenges that the future of cyber security will bring.

About the author:
Przemysław Widomski

Przemysław is an experienced sales professional with a wealth of experience in the IT industry, currently serving as a Key Account Manager at nFlo. His career demonstrates remarkable growth, transitioning from client advisory to managing key accounts in the fields of IT infrastructure and cybersecurity.

In his work, Przemysław is guided by principles of innovation, strategic thinking, and customer focus. His sales approach is rooted in a deep understanding of clients’ business needs and his ability to combine technical expertise with business acumen. He is known for building long-lasting client relationships and effectively identifying new business opportunities.

Przemysław has a particular interest in cybersecurity and innovative cloud solutions. He focuses on delivering advanced IT solutions that support clients’ digital transformation journeys. His specialization includes Network Security, New Business Development, and managing relationships with key accounts.

He is actively committed to personal and professional growth, regularly participating in industry conferences, training sessions, and workshops. Przemysław believes that the key to success in the fast-evolving IT world lies in continuous skill improvement, market trend analysis, and the ability to adapt to changing client needs and technologies.

Share with your friends