AI-native security.
Led by experts.
Defense designed for a world where attackers already use AI. DEFION combines offensive security expertise with AI that continuously detects and challenges your defenses. You see what's happening in minutes and act before attackers get in.
Active Defense means your controls are tested continuously, threats are hunted proactively, and response starts within minutes. AI makes it possible. Experts make it effective.
DEFION in numbers
Five disciplines.
One partner.
No juggling five vendors for five problems. One team that covers your entire security posture, from advisory to 24/7 monitoring and crisis response.
Independent.
AI-accelerated.
20 years proven.
You get advice without a hidden sales agenda. DEFION doesn't sell products, only protection. That means our recommendations are always in your interest.
From boardroom to server room, 24/7 monitoring and AI-accelerated pentesting. One partner for your entire attack surface: IT, OT, and IoT.
About DEFION →
100+ specialists.
Two offices.
One team.
Zoetermeer and Barcelona. Real people, senior expertise. No offshore support, no call-center triage. When you call DEFION, you reach the engineer who can actually help.
Independent since 2005. Still driven by the people who founded it.




Faster detection.
Less noise.
Better decisions.
You only get alerts that matter. No flood of false positives, no overwhelmed security team. Our technology filters the noise, our experts make the calls.
The result: threats detected in minutes instead of days. And when it counts, there are always people ready who know what to do.
Alert within 4 minutes
No hours or days waiting for an alarm
Only what matters
Your team sees relevant alerts, not thousands
Pentest in 24 hours
First vulnerabilities same day, not after weeks
Experts who decide
No automated guesswork, real human judgment
What we see right now.
Week 17, 2026 · Updated April 21, 2026
Our TI team monitors 40+ sources 24/7. These are the most relevant threats for European organizations.
Qilin Ransomware Hits Engie (French Energy): 9 EU Victims in 24 Hours, NIS2 Alert
Qilin ransomware hits 9 EU organizations in 24 hours, including Engie (French energy sector). NIS2 notification obligations triggered. Action: verify Qilin detection rules and backup integrity in energy and critical infrastructure environments.
April 21, 2026 · Confidence: High
Read more →ShinyHunters Final Deadline Today: Zara (132K Records) and Carnival Corp (8.7M Records) at Risk
ShinyHunters final deadline today: Zara (132K users) and Carnival Corp (8.7M records) may be published. Retail and hospitality: increase monitoring for credential stuffing and downstream exposure. Action: proactively advise clients in these sectors.
April 21, 2026 · Confidence: High
Read more →Vvveb CMS: Critical RCE via PHP Webshell Upload (CVE-2026-6249, CVSS 8.8) and Privilege Escalation (CVE-2026-34427)
Two critical Vvveb CMS vulnerabilities (CVSS 8.8): RCE via PHP webshell upload and privilege escalation in admin endpoint. Update to 1.0.8.1 immediately. Action: scan existing installations for webshell IoCs and patch without delay.
April 21, 2026 · Confidence: High
Read more →We speak your language.
Ready to make your
security AI-proof?
Talk to one of our experts. No obligations, no sales pitch: an honest conversation about your situation.











