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Financial sector cybersecurity — banks, insurers, fintechs

Cybersecurity for financial services: DORA, PCI DSS, security audits for banks, e-banking protection, fraud detection and regulatory compliance.

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Financial Services Cybersecurity 8/25/2026

How often should you run penetration tests? Four triggers instead of a calendar

"Once a year" is a calendar answer to an engineering question. This text shows where regulation genuinely states a figure, where it does not despite common belief, and which four events should trigger a test regardless of the anniversary of the previous one.

Financial Services Cybersecurity 6/17/2026

Deepfake, vishing and CEO fraud: how to protect your company from AI-powered scams

An employee at engineering firm Arup transferred USD 25 million after a video call with deepfake "directors". Voice cloning and AI-powered CEO fraud are now a real financial risk. We show how to defend against them — from procedures to technology.

Financial Services Cybersecurity 6/10/2026

Deepfake of the CEO's Voice (CEO Fraud) — How Scammers Defraud Millions and How to Protect Your Finances

A cloned voice of the CEO and an urgent, confidential transfer order — that is what modern CEO fraud looks like. A deepfake breaks the natural mechanism of trust in a familiar voice. We show how the scam works and which procedural controls genuinely protect the finance department.

Financial Services Cybersecurity 6/10/2026

DORA and TLPT — What Threat-Led Penetration Tests Look Like for the Financial Sector

DORA raises the bar for testing in the financial sector: significant entities must carry out TLPT — tests targeted at real threats, on live systems, by independent testers. We explain the scope, the TIBER-EU framework, and how to prepare.

Financial Services Cybersecurity 5/16/2026

CVE-2020-37228: CAPTCHA bypass in iDS6 DSSPro Digital Signage System

iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass authentication by requesting the autoLoginVerifyCode object. Attackers can retri...

Financial Services Cybersecurity 5/16/2026

DORA for the Financial Sector — Practical Implementation Step by Step (2026)

DORA has been in force since January 2025. Most Polish banks, fintechs, insurers and investment firms still lack full compliance. What to actually do in 90 days, how much it costs, who is responsible.

Financial Services Cybersecurity 5/11/2026

OWASP API Security Top 10 (2023) — complete guide to API threats

The OWASP API Security Top 10 (2023) is to APIs today what the Web Top 10 was a decade ago — a shared language for development teams, pentesters and compliance functions. Except that an API is a different attack surface than a classic web application.

Financial Services Cybersecurity 4/17/2026

What is tokenization in cybersecurity? A complete data security guide

Tokenization replaces sensitive data with random tokens, reducing breach impact. How it works, use cases and compliance benefits.

Financial Services Cybersecurity 4/1/2026

What Is Cybersecurity? Definition, Pillars, Threats, and Best Practices

Cybersecurity is the protection of systems, networks, and data against digital threats. Learn about the pillars, threats, and best practices.

Financial Services Cybersecurity 3/27/2026

What Are the DORA Regulation Requirements? Key Aspects of Digital Operational Resilience Regulation

Learn about the key requirements of the DORA regulation regarding digital resilience in the financial sector.

Financial Services Cybersecurity 1/6/2026

Cybersecurity Checklist for Financial Sector — 2026

A complete cybersecurity checklist for banks and financial institutions in 2026. Covers DORA, NIS2, PCI DSS requirements and best practices for financial sector protection.

Financial Services Cybersecurity 12/26/2025

Insurance cybersecurity checklist 2026 — complete control list

Complete cybersecurity checklist for insurance companies in 2026. DORA, NIS2, data protection, SOC, penetration testing, vendor management.

Financial Services Cybersecurity 12/21/2025

Cyberattack Scenario on a Bank: How It Unfolds and How to Defend

A realistic multi-stage cyberattack scenario on a bank — from reconnaissance through initial access to data exfiltration. Learn attacker tactics and defense methods at every stage.

Financial Services Cybersecurity 12/20/2025

Security Policies — Why Internet Templates Don't Work

How to write security policies people actually read and follow? 5 essential policies, document hierarchy, RACI, implementation. Expert guide by nFlo.

Financial Services Cybersecurity 12/15/2025

Cloud Compliance Checklist — Legal Requirements for Cloud Environments

A complete regulatory compliance checklist for cloud environments — from GDPR through NIS2 to DORA. Legal requirements, shared responsibility model, and practical implementation steps.

Financial Services Cybersecurity 10/31/2025

E-commerce platform security — how to protect your online store and customer data

An e-commerce platform is a treasure trove of customer data and a prime attack target. Learn to protect your online store and payment data from security breaches.

Financial Services Cybersecurity 10/30/2025

DORA: One Year In — How It Changed the Financial Sector and Key Takeaways

On January 17, 2025, the DORA regulation became applicable. One year later, we can assess how the regulation has affected the financial sector and what lessons can be drawn for organizations still improving their digital resilience programs.

Financial Services Cybersecurity 10/24/2025

Cybersecurity Trends 2026 — What Awaits Organizations in the Coming Year

What will dominate cybersecurity in 2026? AI-driven attacks, identity-first security, platform consolidation, and NIS2, DORA, and CRA enforcement — for IT leaders.

Financial Services Cybersecurity 10/20/2025

In-house SOC vs Managed SOC - cost and benefit analysis

Should you build your own security operations center or outsource the service? Economic analysis shows that for most companies, Managed SOC is the more rational choice.

Financial Services Cybersecurity 10/11/2025

What is cybersecurity? A complete guide to cybersecurity

Cybersecurity is an ongoing process, not a product. Our complete guide explains how to protect your business from ransomware and phishing, build employee awareness, and implement technologies such as SIEM and EDR to ensure compliance and cyber resilience.

Financial Services Cybersecurity 9/29/2025

DORA Regulation - Everything You Need to Know

The DORA regulation strengthens the digital resilience of the financial sector. Learn what it covers and what requirements it introduces.

Financial Services Cybersecurity 9/4/2025

DORA for insurers — digital operational resilience requirements

Comprehensive guide to DORA requirements for the insurance sector. ICT risk management, resilience testing, incident reporting, and third-party provider management.

Financial Services Cybersecurity 8/31/2025

Security in finance: How do banks and FinTechs defend against cyber attacks in the digital age?

The financial sector is a testing ground for the most advanced cyber attacks. At stake is not only money, but trust, which is the foundation of the entire industry. From DORA regulations to attacks on ATMs and mobile apps, how do you ensure the highest level of cyber resilience in such a dynamic and

Financial Services Cybersecurity 8/27/2025

Ransomware in the insurance sector — protecting claims and policy systems

How ransomware targets insurance companies. Threat analysis for claims management, policy systems, and customer data. Practical protection and recovery methods.

Financial Services Cybersecurity 8/24/2025

SIM Swapping: Threats and Protection Against Number Hijacking

SIM swapping allows criminals to hijack victims' phone numbers and access bank accounts and crypto wallets. How to protect against it?

Financial Services Cybersecurity 8/21/2025

BEC Attacks in Finance: Threats, Impact, and Protection in 2026

Business Email Compromise attacks cost the financial sector billions annually. Learn about attack vectors, real consequences, and effective protection methods for banks and financial institutions.

Financial Services Cybersecurity 8/20/2025

DDoS Attacks on E-Banking: How to Protect Financial Services

DDoS attacks on e-banking paralyze access for millions of clients. Learn about attack types, downtime costs, and methods to protect banking systems.

Financial Services Cybersecurity 8/15/2025

DORA for Financial Sector: Requirements and Step-by-Step Implementation

The DORA regulation transforms cybersecurity in finance. Learn about the 5 pillars of DORA, implementation timeline, and concrete steps for banks, insurers, and fintechs.

Financial Services Cybersecurity 8/12/2025

How to Prepare Your Store for Black Friday — Security

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.

Financial Services Cybersecurity 8/11/2025

How to Implement API Security in Banking

Open Banking and PSD2 opened new attack vectors for banks. Learn about banking API threats, security requirements, and an API protection implementation plan for financial institutions.

Financial Services Cybersecurity 8/6/2025

PCI DSS for Banks and Fintechs: Requirements and Step-by-Step Implementation

PCI DSS v4.0 introduces new payment card data security requirements. Learn about the 12 requirements, compliance levels, and a practical implementation plan for banks and fintechs.

Financial Services Cybersecurity 8/5/2025

PCI DSS for E-commerce — Requirements, Compliance Levels, and Implementation

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.

Financial Services Cybersecurity 7/30/2025

DSPM — Data Security Posture Management: Cloud Data Protection

DSPM discovers, classifies, and protects data across multi-cloud. Comparison with DLP and CSPM, workflow, leading vendors, and integration with GDPR, NIS2, and DORA.

Financial Services Cybersecurity 7/29/2025

Cybersecurity Risk Assessment — The Foundation of Every Security Program

How to conduct a cybersecurity risk assessment? ISO 27005, NIST RMF, FAIR, MITRE ATT&CK, risk matrices and security roadmaps. Expert guide by nFlo.

Financial Services Cybersecurity 7/28/2025

Business Continuity Plan (BCP) and Disaster Recovery (DRP) — A Practical Guide

Practical BCP/DRP guide: BIA, RTO/RPO, 3-2-1-1 backup strategies, DR plan testing, NIS2/DORA requirements. Case study: ransomware recovery in 4 hours.

Financial Services Cybersecurity 7/6/2025

Data classification in organizations — the foundation of information protection and regulatory compliance

How to implement data classification? Learn about data categories, policies, automation, DLP integration, and data owners — a complete guide for your organization.

Financial Services Cybersecurity 6/25/2025

DORA and Digital Resilience Testing — How to Prepare for TLPT and Threat-Led Scenarios

How to prepare for TIBER-EU-compliant TLPT under DORA? A guide for CISOs: requirements, testing scope, costs and implementation timeline for financial firms.

Financial Services Cybersecurity 6/21/2025

Business Continuity Plan (BCP) and Disaster Recovery — How to Prepare Your Organization for the Worst

Comprehensive guide: BIA, RPO/RTO, 3-2-1-1-0 rule, backup sites, plan testing, and NIS2, DORA, ISO 22301 requirements — all in one place for IT teams and boards.

Financial Services Cybersecurity 6/17/2025

DORA for the Financial Sector — What Banks, Insurers, and Fintechs Must Implement

What does DORA require from banks, insurers and fintechs? ICT risk management, incident reporting and TLPT testing explained step by step by nFlo experts.

Financial Services Cybersecurity 6/2/2025

Cyber insurance for industry: What does your policy really cover and how to avoid costly surprises?

In the face of growing threats, cyber risk insurance seems a logical step. It's your financial safety net. But are you sure you know what's written in the fine print in your policy? Does it cover the specific risks associated with a production stoppage? Won't the insurer refuse to pay out, citing a

Financial Services Cybersecurity 6/1/2025

KSC NIS2 or DORA? How does the financial sector need to reconcile the two regulations?

DORA is lex specialis for finance, but KSC/NIS2 still applies. How do you manage ICT risk, test resilience, and manage suppliers (TPPs) in accordance with both acts?

Financial Services Cybersecurity 5/29/2025

DORA in practice - requirements for the financial sector and its suppliers

DORA is the most rigorous cybersecurity law in the world. Banks, insurers, and their suppliers must meet requirements that change the approach to digital resilience.

Financial Services Cybersecurity 5/25/2025

Cyberattacks on Banking: Attack Method Analysis and Defense Strategies — from Phishing to Advanced Fraud

An analysis of modern methods of attacks on banking customers. Discover how phishing, investment fraud, mobile attacks work and how to build an effective, multi-layered defense.

Financial Services Cybersecurity 4/16/2025

TIBER-EU TTIR: New ECB guidelines for threat intelligence reports

Analysis of the new ECB guidelines for the Targeted Threat Intelligence Report (TTIR) - a key element of TIBER-EU resilience testing supporting NIS2 and DORA compliance.

Financial Services Cybersecurity 3/17/2025

What are the penalties for non-compliance with the DORA regulation?

Discover the penalties for non-compliance with the DORA regulation and the most important sanctions for the financial sector.

Financial Services Cybersecurity 3/16/2025

What is the DORA Regulation? - Essential Information

Learn about the key provisions of the DORA regulation, which aims to increase the digital resilience of the financial sector against threats.

Financial Services Cybersecurity 3/11/2025

Digital Operational Resilience Act (DORA)

Learn about the Digital Operational Resilience Act (DORA) and how it affects digital security for businesses. Discover key requirements and practices to help your organization meet DORA requirements.

Financial Services Cybersecurity 3/8/2025

Cyber Trends: Ransomware

Learn about the latest cyber trends related to ransomware. Find out how these threats are evolving and what protection strategies are most effective in preventing ransomware attacks on your organization.

Financial Services Cybersecurity 3/6/2025

PFSA Announcement on Cloud Processing

Read the PFSA announcement on cloud processing. Learn what guidelines and recommendations apply to companies processing data in the cloud to ensure regulatory compliance.

Financial Services Cybersecurity 1/28/2025

Insurance fraud enabled by cyberattacks — how stolen medical data fuels fake claims

Analysis of cyber-enabled fraud mechanisms in the insurance sector. Learn how stolen medical and personal data are used to file fraudulent claims and how to protect against this threat.

Financial Services Cybersecurity 1/14/2025

How to implement DLP in insurance — protecting policy and claims data

Guide to implementing Data Loss Prevention in an insurance company. Protecting policy data, claims records, medical documentation, and customer financial information.

Financial Services Cybersecurity 1/9/2025

How to implement a SOC in an insurance company — claims and systems monitoring

Practical guide to implementing a Security Operations Center in an insurance company. Claims system monitoring, anomaly detection, integration with claims handling processes.

Financial Services Cybersecurity 1/6/2025

How to Secure a Donor CRM in a Nonprofit Organization

The donor CRM is the most valuable IT system in a nonprofit. Learn how to protect donor data from breaches and unauthorized access.

Financial Services Cybersecurity 12/31/2024

The use of AI by hackers: how is artificial intelligence changing the face of cyberattacks?

Tools such as ChatGPT have democratized access to advanced artificial intelligence. Unfortunately, hackers are also taking advantage of this. AI is becoming their personal assistant, helping to write malicious code, create perfectly personalized phishing campaigns and automate reconnaissance for vul

Financial Services Cybersecurity 12/28/2024

DORA vs. the FSA's Recommendation D: How do past implementations help with compliance with the new regulation?

The financial sector has been living under regulatory pressure from the FSA for years. The implementation of Recommendation D and the IT Guidelines was a huge effort. Will this work be in vain in the face of DORA? On the contrary. It's a solid foundation, but DORA raises the bar much higher, especia

Financial Services Cybersecurity 12/23/2024

NIS2 for the insurance sector — obligations and implementation

How does the NIS2 directive affect the insurance sector? Cybersecurity obligations, incident reporting, supply chain risk management, and penalties for non-compliance.

Financial Services Cybersecurity 12/22/2024

E-commerce security: How to protect your online store from attacks and build customer trust?

Every transaction in your online store is a transfer of not only money, but also trust. One security incident, such as the theft of payment card data, can irreparably damage your reputation and your entire business. In the competitive world of e-commerce, cyber security is not a cost, it's the found

Financial Services Cybersecurity 12/19/2024

Employee Data Protection — A Comprehensive Guide for HR Departments

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.

Financial Services Cybersecurity 12/15/2024

KSC NIS2 and cyber insurance: How compliance with the act becomes key to lowering the cost of risk.

Premiums for cyber policies are rising at an alarming rate, and insurers are denying coverage. The KSC/NIS2 directive only exacerbates this trend. For management and CFOs, it sends a message: without documented compliance, not only will you not get a policy, you won't defend yourself against sanctio

Financial Services Cybersecurity 11/9/2024

E-commerce Security Checklist — 2026

A practical cybersecurity checklist for online stores. 40+ checkpoints across 7 categories — from payment protection to monitoring and incident response.

Financial Services Cybersecurity 11/4/2024

Cyberinsurance: How to select cyber attack insurance for a company?

Insurance against cyber attacks (cyberinsurance) is becoming a key component of any modern company's risk management strategy. However, choosing the right policy is a complicated process, full of pitfalls and unclear provisions. In our article, we'll take you step-by-step through analyzing your need

Financial Services Cybersecurity 10/28/2024

How to Implement SOC in Financial Sector

A Security Operations Center is a DORA requirement and the foundation of bank cybersecurity. Learn about SOC models, key technologies, and an implementation plan tailored to the financial sector.

Financial Services Cybersecurity 10/25/2024

How to Implement Identity Management (IAM) in Finance

Identity and Access Management (IAM) is the foundation of financial institution security. Learn about IAM architecture, DORA/PCI DSS requirements, and an implementation plan for banks and fintechs.

Financial Services Cybersecurity 10/21/2024

Phishing in Healthcare: Threats, Impact, and Protection in 2026

Medical staff click phishing emails at 2x the rate of finance sector. Learn healthcare-specific attack techniques and defense strategies.

Financial Services Cybersecurity 10/19/2024

GDPR in E-commerce — Customer Data Protection for Online Stores

GDPR requires online stores to protect customer data. Learn about key requirements, common violations, and practical steps toward compliance.

Financial Services Cybersecurity 10/11/2024

RTO and RPO — How to Determine Recovery Objectives for Your Organization

RTO and RPO guide: definitions, tiers (from <1h to 72h), BIA methodology, backup/DR technology mapping, costs, and NIS2/DORA requirements.

Financial Services Cybersecurity 10/10/2024

Tokenization and Pseudonymization: Technical Data Protection Methods in Practice

Tokenization vs pseudonymization vs anonymization: differences, architectures, PCI DSS and GDPR applications. A practical guide to technical data protection methods.

Financial Services Cybersecurity 10/7/2024

DORA for Insurance Companies — Requirements and Implementation Plan

The DORA regulation imposes digital operational resilience obligations on insurance companies. A practical implementation guide: ICT risk management, resilience testing, incident reporting.

Financial Services Cybersecurity 9/3/2024

E-commerce platform penetration testing — how to find vulnerabilities before criminals do

What do e-commerce pentests cover? Scope, payment security, credential stuffing, and frequency — a technical guide for online store security and IT teams.

Financial Services Cybersecurity 6/27/2024

PCI DSS Audits - Comprehensive Payment Data Protection

Learn how PCI DSS audits can help your company ensure compliance with payment card data security requirements. Discover the benefits of conducting regular audits.

Financial Services Cybersecurity 6/22/2024

Phishing 2.0 — New Techniques and Protection: How to Defend Against the New Generation of Cyber Fraud

Classic phishing with grammatical errors is becoming a thing of the past. Today we are dealing with Phishing 2.0 - perfectly cloned e-mails, attacks via QR codes and voice fraud enhanced by AI. The threat is more personalized and credible than ever. Are your employees ready for this clash?

Financial Services Cybersecurity 6/14/2024

Cyber security in the health sector: How to protect patient data and critical infrastructure of hospitals?

A cyber attack on a hospital is no longer just a data leak - it's a direct threat to the health and lives of patients. Encrypted HIS systems, locked diagnostic equipment and lack of access to medical history is a scenario that is becoming a frightening reality. How to protect such a complex and crit

Financial Services Cybersecurity 4/29/2024

PCI DSS Security

Learn how nFlo helps ensure security compliant with PCI DSS standards. Discover our services and solutions that help companies protect payment card data and meet regulatory requirements.

Financial Services Cybersecurity 4/12/2024

Business Email Compromise (BEC): How to Protect Company Finances — Analysis and Defense Strategy

The BEC attack, known as the

Financial Services Cybersecurity 3/22/2024

What is cryptography and how does it work in practice?

Cryptography is the foundation of digital security. Our guide explains how encryption, hashes and digital signatures protect your data. Understand its principles and learn how nFlo puts them into practice.

Financial Services Cybersecurity 3/21/2024

Deepfake and AI as Cyber Threats: How to Protect Your Company from a New Generation of Fraud

Imagine receiving an urgent transfer order from your CEO - his voice on the receiver sounds perfect, but it's an AI-generated scam. This is no longer science fiction. Deepfake technology is becoming a powerful tool in the hands of cybercriminals, opening the door to manipulation, blackmail and unpre

Financial Services Cybersecurity 1/22/2024

DORA and Penetration Testing in the Financial Sector: The Role of TLPT in Ensuring Compliance

The DORA regulation is a rigorous new reality for the entire European financial sector. The goal is no longer just security, but digital operational resilience. Discover what specific and advanced testing requirements DORA places on your institution and how nFlo's professional testing services, incl

Financial Services Cybersecurity 10/17/2023

Guide: How to implement high availability (HA) solutions in your IT infrastructure step by step

High availability (HA) in IT minimizes downtime and ensures service continuity through redundancy and SPOF elimination.

Financial Services Cybersecurity 8/18/2023

E-Commerce Pentests: Specific Threats and Penetration Testing Requirements for Online Stores

Online stores combine payment data, personal information, and financial transactions - an ideal combination for cybercriminals. Learn how professional pentests help secure e-commerce platforms.

Financial Services Cybersecurity 8/7/2023

TCP - A Comprehensive Guide to the Transmission Control Protocol: From the Basics to Advanced Mechanisms of Operation

Learn the basics and advanced mechanisms of the TCP protocol, crucial for reliable data transmission in computer networks.

Financial Services Cybersecurity 7/12/2023

What is a Man in the Middle (MITM) Attack and How Does It Work?

Discover what a Man-in-the-Middle (MitM) attack is, how it works, and what protection methods you can apply to secure your data from interception and manipulation by unauthorized parties.

Financial Services Cybersecurity 6/20/2023

What is Smishing and How to Defend Against SMS Fraud

Learn about smishing - a threat involving data extortion via SMS and discover how to recognize and avoid such attacks.

Financial Services Cybersecurity 5/11/2023

How DORA Protects Against Digital Threats? Processes, Mechanisms, Regulations and Development

Check how DORA protects against digital threats. Learn about key processes and regulations in the financial sector.

Financial Services Cybersecurity 4/25/2023

What Principles Does DORA Introduce? - Complete Overview of Regulation

Learn about the key principles of DORA regulation that aim to strengthen digital resilience in the European financial sector.

Financial Services Cybersecurity 4/24/2023

How Does DORA Implementation Work in Companies? Process, Procedures, and Challenges

DORA implementation requires following specific procedures and processes. Learn how companies implement these regulations.

Financial Services Cybersecurity 4/6/2023

What is PCI DSS - Comprehensive Guide to Requirements and Implementation Benefits

Learn about the PCI DSS standard, crucial for payment card data security. Discover its requirements and benefits of implementation in your organization.

Financial Services Cybersecurity 4/5/2023

What is PCI DSS - Key Facts, Requirements, and Implementation Benefits

Learn about the PCI DSS standard, key to payment card data security. Discover its requirements and benefits of implementation in your organization.

Financial Services Cybersecurity 1/16/2023

How to Prepare for a DORA Audit? A Guide

Preparing for a DORA audit is key to compliance with digital resilience regulations. Check how to prepare for it.

Financial Services Cybersecurity 1/7/2023

What Are the Main Goals of DORA Cyber Regulation? Key Objectives of the Regulation

The DORA regulation strengthens the digital resilience of the financial sector. Learn about the key goals and objectives of the regulation.

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