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 20, 2026
Our TI team monitors 40+ sources 24/7. These are the most relevant threats for European organizations.
Fortinet FortiClient EMS: Two CISA KEV Vulnerabilities Actively Exploited, Patch Deadlines Missed
Two Fortinet FortiClient EMS flaws (CVSS 9.8) on CISA KEV with missed patch deadlines. Actively exploited in the wild. Action: patch immediately and verify no prior compromise via SQLi entry point.
April 20, 2026 · Confidence: High
Read more →Ivanti EPMM CVE-2026-1340: Unauthenticated RCE on CISA KEV, EU Government Targeted
Ivanti EPMM CVE-2026-1340 (CVSS 9.8) on CISA KEV: unauthenticated RCE, patch deadline April 11 already passed. EU government and enterprise environments actively targeted. Action: patch immediately and conduct an IoC sweep.
April 20, 2026 · Confidence: High
Read more →DragonForce Ransomware Hits EU Healthcare: German Medical Networks Provider Compromised
DragonForce hits German medical networks provider: EU healthcare is an active target. NIS2 breach notification obligations apply. Action: verify backups, update DragonForce detection rules, and monitor for lateral movement.
April 20, 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.











