What Is a Botnet? How Zombie Networks Work and How to Protect Yourself
A botnet is a network of infected devices controlled by cybercriminals. Learn how they work, what threats they pose, and how to protect yourself.
97 articles
A botnet is a network of infected devices controlled by cybercriminals. Learn how they work, what threats they pose, and how to protect yourself.
Cybersecurity is the protection of systems, networks, and data against digital threats. Learn about the pillars, threats, and best practices.
Data anonymization prevents the identification of individuals. Learn about methods, GDPR requirements, and security.
Google Cloud Platform is Google's cloud platform. Learn about its services, security, and applications.
A LAN is a local area network. Learn about its architecture, security, and network segmentation.
A Trojan is malicious software hidden in a legitimate file. Learn about Trojan types, infection symptoms, and effective protection methods.
A modern transport fleet is a network of connected systems. Learn how to secure vehicles, telematics, and fleet management systems from cyberattacks.
DDoS attacks on telecom operators threaten service continuity for millions of subscribers. Learn attack techniques and defense methods.
Deepfake technology enables impersonation during online job interviews. Learn detection methods and how to protect your recruitment process.
BGP hijacking allows redirecting traffic for millions of users. How can operators secure their routing infrastructure?
Ransomware in pharma paralyzes drug production, locks clinical trial data, and threatens supply chains. Learn protection methods.
SIM swapping allows criminals to hijack victims' phone numbers and access bank accounts and crypto wallets. How to protect against it?
Comprehensive analysis of APT groups targeting the energy sector. Sandworm, Volt Typhoon tactics, OT kill chains, and critical infrastructure defense strategies.
Magecart attacks are among the most serious threats to e-commerce. Learn how cybercriminals steal payment card data and how to protect your online store.
Supply chain attacks are a growing threat to logistics companies. Learn about attack vectors, real incidents, and strategies to protect the supply chain.
Complete cybersecurity checklist for the energy sector in 2026. 50+ items covering IT/OT segmentation, monitoring, NIS2 compliance, and SCADA protection.
Credential stuffing involves mass login attempts using stolen credentials. Learn how this attack threatens online stores and how to protect customer accounts.
APIs are the backbone of modern e-commerce. Learn how to protect REST and GraphQL endpoints from attacks and data leaks in your online store platform.
Complete guide to OT/ICS security audits in the energy sector. Methodology, scope, tools, and reporting aligned with IEC 62443 and NIS2 requirements.
Black Friday is peak season for e-commerce and cybercriminals alike. Learn how to prepare your online store for a secure high-traffic sales period.
Practical guide to IT/OT network segmentation in the energy sector. Purdue model, IEC 62443 zones, industrial DMZ, and phased deployment without downtime.
Practical guide to implementing a Security Operations Center in energy companies. IT/OT monitoring, industrial protocols, SIEM integration, and SOC model selection.
TMS and WMS systems are the backbone of logistics operations. Learn how to protect them from cyberattacks, unauthorized access, and data loss.
Practical guide to implementing the NIS2 directive in the energy sector. Requirements for critical infrastructure operators, compliance timeline, and implementation checklist.
PCI DSS is a mandatory security standard for online stores processing payment card data. Learn about 12 requirements, 4 compliance levels, and a step-by-step implementation plan.
Ransomware in hospitals is not just an IT problem — it threatens patient lives. Learn about attack vectors, real-world impact, and effective defense methods.
Ransomware in manufacturing halts production lines, destroys product batches and generates millions in losses. Learn about attack vectors, real incidents and OT/ICS protection strategies.
Realistic step-by-step cyberattack scenario on an energy company. From phishing through IT/OT lateral movement to SCADA destruction — and how to prevent it.
Analysis of wiperware threats targeting the energy sector. How DynoWiper attacked Polish infrastructure and how to protect OT/ICS systems from destructive malware.
5G networks introduce new attack surfaces: network slicing, edge computing, massive IoT. How to secure 5G infrastructure?
Secure IT onboarding is the foundation of organizational protection. Learn the checklist for onboarding new hires — from accounts to cybersecurity training.
Complete cybersecurity checklist for pharmaceutical companies in 2026. 50+ points covering IT, OT, GMP, and NIS2.
Complete cybersecurity checklist for telecom operators in 2026. Infrastructure, subscriber data, NIS2 compliance.
A complete cybersecurity checklist for HR departments in 2026. Recruitment, onboarding, employee data, ATS systems, and GDPR compliance.
A complete cybersecurity checklist for nonprofit organizations for 2026. 30 points across five categories — from basics to advanced safeguards.
Effective cyber protection for nonprofits does not require large investments. Discover free and low-cost cybersecurity tools and strategies for NGOs.
GMP (Good Manufacturing Practice) requires data integrity and system validation. How to combine GMP requirements with cybersecurity?
HR departments have access to the most sensitive organizational data. Learn methods for detecting and preventing insider threats from HR staff.
Subscriber data is one of the most valuable operator assets. How to protect customer databases, location data, and call history?
The pharmaceutical supply chain is vulnerable to cyberattacks — from API suppliers to distribution. Learn threats and protection methods.
Multi-factor authentication (MFA) is the single most effective protection against account takeover. Learn how to deploy MFA across your nonprofit organization.
SOC in a pharma company must understand industry specifics: OT systems, clinical data, GMP. A practical implementation guide.
A telecom SOC must monitor not just IT but also network infrastructure, BSS/OSS systems, and subscriber traffic.
The donor CRM is the most valuable IT system in a nonprofit. Learn how to protect donor data from breaches and unauthorized access.
Clinical trial data is among the most valuable pharma assets. How to protect it from cyberattacks and meet regulatory requirements?
Your ATS stores thousands of CVs and candidate data. Learn how to secure your Applicant Tracking System against breaches, unauthorized access, and cyberattacks.
NIS2 directive imposes new cybersecurity obligations on pharmaceutical companies. Check requirements, deadlines, and implementation plan.
NIS2 imposes strict cybersecurity requirements on telecom operators. Check obligations, penalties, and implementation plan.
HR departments process the most sensitive data in an organization — from contracts to medical records. Learn employee data protection principles under GDPR and best practices.
Cybercriminals use fake job offers to steal personal data and install malware. Learn attack patterns and protection methods for HR departments.
Nonprofits are prime phishing targets due to limited IT budgets and a culture of trust. Learn the most common attack scenarios and practical defenses for NGOs.
A ransomware attack on a nonprofit can lock donor databases, project documentation, and financial records. Learn protection strategies tailored to NGO budgets.
Foundations and associations process personal data of donors, beneficiaries, and volunteers. Learn GDPR obligations specific to NGOs and practical ways to fulfill them.
How long can you retain candidate CVs? Learn GDPR requirements for recruitment data — retention periods, consent, candidate rights, and ATS security.
A realistic cyberattack scenario on a pharmaceutical company — from initial phishing to production encryption. Step-by-step analysis.
How does a typical cyberattack on a foundation unfold? A step-by-step analysis — from reconnaissance through breach to donor data exfiltration — and how to defend.
A realistic cyberattack scenario on a telecom operator — from infiltration to service paralysis for millions of subscribers.
How does an employee data breach unfold? A step-by-step analysis — from the attack vector through exfiltration to legal and reputational consequences.
Volunteers are the strength of nonprofits, but without training they can be a security risk. Learn a practical cybersecurity training program for NGO volunteers.
Industrial espionage in pharma threatens formulas, clinical trial data, and patents. Learn attack methods and effective protection strategies.
Supply chain attacks in manufacturing compromise component suppliers, firmware and OT software. Learn about real incidents, attack vectors and supply chain protection strategies.
An OT/ICS security audit is the first step to protecting production systems. Learn about audit scope, methodology, key control areas and how to prepare your factory for an OT security audit.
A practical cybersecurity checklist for online stores. 40+ checkpoints across 7 categories — from payment protection to monitoring and incident response.
A practical cybersecurity checklist for logistics and transport companies. 45+ checkpoints across 7 categories — from TMS/WMS to fleet and supply chain.
A comprehensive OT cybersecurity checklist for manufacturing companies in 2026. 50 control points across 8 categories: segmentation, monitoring, access, backup, IR, compliance, supply chain and training.
Practical cybersecurity checklist for hospitals and healthcare facilities. 30+ control points across 6 categories — from network segmentation to staff training.
A realistic cyberattack scenario on a factory — from phishing through lateral movement to production shutdown. Analysis of each phase, defense failures and lessons for manufacturing companies.
GPS spoofing enables vehicle location falsification and cargo theft. Learn about the attack mechanism, the scale of the problem, and methods to protect your transport fleet.
Practical guide to implementing IEC 62443 in the energy sector. Security zones, Security Levels, Purdue model, and NIS2 integration for OT/ICS systems.
IEC 62443 is the international standard for OT/ICS security. Learn about the standard structure, SL1-SL4 security levels, requirements for asset owners and integrators, and a factory implementation plan.
Hospital network segmentation is a cybersecurity foundation. How to separate IoMT devices from the office network and limit lateral movement.
A Security Operations Center is the foundation of cybersecurity in logistics. Learn how to implement a SOC tailored to the specifics of transport and logistics companies.
SOC in hospitals is a NIS2 requirement. Compare in-house vs SOC as a Service, medical system integration, and deployment costs.
Cybersecurity training for medical staff — how to design a program that works despite time pressure and staff rotation.
A Web Application Firewall is the first line of defense for an online store. Learn how to choose, configure, and maintain a WAF for your e-commerce platform.
The NIS2 directive classifies transport and logistics as essential sectors. Learn about requirements, deadlines, and the implementation plan for logistics companies.
NIS2 classifies hospitals as essential entities. Learn specific requirements, implementation timeline, and costs for healthcare facilities.
The NIS2 directive classifies manufacturing as important entities. Learn about specific requirements, deadlines, non-compliance penalties and a practical NIS2 implementation plan for production companies.
Medical staff click phishing emails at 2x the rate of finance sector. Learn healthcare-specific attack techniques and defense strategies.
Medical data is a special category under GDPR. Learn requirements for hospitals, DPO obligations, and practical implementation steps.
GDPR requires online stores to protect customer data. Learn about key requirements, common violations, and practical steps toward compliance.
Logistics companies process customer, driver, and partner data. Learn about GDPR requirements specific to the TSL industry and practical steps toward compliance.
A realistic cyberattack scenario on a logistics company. From phishing to ransomware and supply chain paralysis — attack anatomy and key lessons.
A realistic cyberattack scenario on an e-commerce platform. From reconnaissance to data exfiltration — learn the anatomy of an attack and lessons for your store.
Hour by hour — how a ransomware attack unfolds in a hospital. Tabletop scenario from phishing through lateral movement to encryption and recovery.
IT/OT segmentation is the foundation of industrial cybersecurity. Learn about the Purdue model, IEC 62443 zones and conduits, segmentation technologies and an implementation plan for production environments.
A SOC with OT competencies is key to detecting cyber threats in industrial environments. Learn about IT vs OT SOC differences, SCADA/PLC monitoring architecture and SOC as a Service for factories.
OT systems in power plants control energy production processes. Learn practical methods for protecting SCADA, DCS, and PLC systems in energy environments — from segmentation to monitoring and incident response.
Smart grids connect millions of devices and control systems. Learn about key threats, attack vectors, and proven methods for protecting smart grid infrastructure.
A practical cybersecurity guide for NGOs with limited budgets. Free and low-cost tools, implementation priorities, and strategies for protecting donor data without large investments.
A practical guide to protecting water infrastructure from cyberattacks. Network segmentation, OT monitoring, remote access control, and incident response planning for the water sector.
The NIS2 directive imposes rigorous cybersecurity requirements on telecom operators. A practical implementation guide: risk management, incident reporting, supply chain security.
A practical guide to GDPR for nonprofit organizations. How foundations and associations should process donor, beneficiary, and volunteer data in compliance with regulations.
The NIS2 directive classifies water utilities as essential entities. Learn about specific requirements, implementation timelines, and a compliance plan for the water and wastewater sector.
5G networks introduce new attack vectors: network slicing, edge computing, massive IoT. Learn about key 5G security threats and challenges facing telecom operators.
Nonprofit organizations collect sensitive donor and beneficiary data while operating with limited IT resources. Learn about the biggest cyber threats facing NGOs and how to defend against them.
SCADA systems control water treatment and distribution processes. Learn about the key cyber threats to industrial systems in the water sector and proven methods for protecting them.