Pentesting 16 April 2026
What is a Pentest? A Complete Guide for Organizations in 2026
A pentest (penetration test) is a controlled cyberattack on your own systems. Learn what a pentest is, when you need one, and what it costs.
Security Blog
Insights on cybersecurity trends, threat intelligence, compliance updates, and technical deep dives from the DEFION team.
Security Compliance 16 April 2026
NIS2 Explained: Everything Organizations Need to Know
NIS2 is the EU cybersecurity directive applying across Europe. Learn which sectors are covered, what obligations apply, and how to prepare your organization.
MDR 16 April 2026
What is MDR? Managed Detection & Response Explained
MDR is an outsourced 24/7 cybersecurity monitoring service. Learn what MDR is, how it works, and how it differs from SIEM, SOC, and MSSP.
Incident Response 16 April 2026
Cyber Incident: What to Do in the First 24 Hours
Step-by-step action plan for the first 24 hours of a cyber incident. Learn what to do, what to avoid, and when to notify regulators.
Security Compliance 16 April 2026
DORA: What is the Digital Operational Resilience Act?
DORA is the EU regulation for digital resilience of financial institutions, in force since January 2025. Learn who falls under it, what the 5 pillars are, and how to comply.
Security Compliance 19 March 2026
NIS2, DORA and the Cyber Resilience Act: what do you need to do with them?
A clear overview of NIS2, DORA, and the CRA: what they are, who they apply to, and how to get started without drowning in regulations.
Cloud Security 16 December 2024
How to Securely Configure Enterprise Applications in Microsoft 365
Enterprise applications in Microsoft 365 can pose security risks. Learn how administrators can configure the right settings to limit risks.
OT Security 16 December 2024
Increasing Threats in Industrial Environments Require Integrated OT Security
41% of companies in EMEA still have OT and IT teams operating independently. Learn why an integrated approach to OT security is essential.
Secure Development 28 November 2024
How to Safely Use a Frontend Framework for Your Website
Three essential tips for safely using frontend frameworks: don't trust your frontend, know your framework's limitations, keep software updated.
Secure Development 21 November 2024
Why You Need a Strong Content Security Policy
A CSP is your second line of defense against XSS. Learn how CSP works, how to implement it, and what common mistakes to avoid.
Authentication 11 June 2024
Passkeys: the advantages and risks of these new passwords
Passkeys are the future of authentication. But are they truly secure? Learn about the advantages and the security risks when implementing them.
Application Security 25 April 2024
State of Application Security 2024
One third of applications is not sufficiently secured. Read the findings from over 300 security tests in the DEFION research.