Independent Security Partner since 2005
Defending your future.
Today.
Security built for a world where attackers use AI. DEFION combines offensive security expertise with AI that continuously detects, validates, and challenges your defenses. You see what’s happening in minutes and act before attackers get in.
Attackers already use AI to increase the speed and scale of cyberattacks. DEFION combines offensive security expertise with AI-driven analysis to help organisations respond with the same level of visibility, validation and speed. Active Defense means threats are hunted proactively, controls are continuously tested and response starts before incidents escalate.
DEFION in numbers
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.




From tech and compliance
to crisis. 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 →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 28 · July 8, 2026
Week 28, 2026 · Updated July 8, 2026
Our TI team monitors 40+ sources 24/7. These are the most relevant threats for European organizations, updated July 8, 2026 (week 28).
Qilin ransomware targets EU healthcare: 3 EU victims in 24 hours including NIS2-essential Czech healthcare provider. Elevated alert across European sectors.
Qilin ransomware hit three EU organizations in 24 hours: a NIS2-essential Czech healthcare provider, an Austrian construction company, and a German business services firm. EU healthcare, construction, and financial services sectors are on elevated alert; Qilin is actively expanding across Central Europe.
July 8, 2026 · Confidence: High
Read more →CVE-2026-14345 in WPFunnels for WooCommerce (CVSS 9.8): unauthenticated RCE via publicly visible nonce. Update to 3.12.8+ mandatory.
CVE-2026-14345 in WPFunnels for WooCommerce (CVSS 9.8) allows unauthenticated remote code execution via a nonce that is publicly visible on every funnel step page. Update to version 3.12.8+ is mandatory for every WordPress and WooCommerce deployment running this plugin.
July 8, 2026 · Confidence: High
Read more →Three AI infrastructure CVEs in 24 hours: Cognee, mem0, and LocalAI all affected by unauthenticated config overwrite and SSRF vulnerabilities. Self-hosted AI is now an attack surface.
Three AI infrastructure CVEs in 24 hours: CVE-2026-58473 in Cognee (CVSS 9.1), CVE-2026-59706 in mem0 (CVSS 9.1), and CVE-2026-59707 in LocalAI (CVSS 8.6) enable unauthenticated config overwrite, plaintext API key exposure, and SSRF. Self-hosted AI stacks are now a confirmed attack surface.
July 8, 2026 · Confidence: High
Read more →We speak your language.
Newsroom
Digital sovereignty is not a political debate, but a question of continuity
DEFION contributed to the white paper 'Digital autonomy in practice: from dependence to control' by Cyberveilig Nederland. What it means for your organisation.
AZ and DEFION Security: Official Supplier for Optimal Data Protection
AZ and DEFION enter into a multi-year strategic partnership as Official Supplier to strengthen the club's digital resilience. DEFION protects the valuable data AZ uses for performance on and off the pitch.
CVE-2026-31431 ("Copy Fail"): Critical Linux Privilege Escalation Vulnerability Explained
CVE-2026-31431 ("Copy Fail") is a Linux kernel vulnerability enabling stealthy privilege escalation to root. Learn about the impact, affected systems, and mitigation steps.
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