DEFION Security

Zoetermeer, NetherlandsFounded 200550-200 peopledefion.security

L2Cross-referenced, highest level reached

1 cross-referenced

Verified against independent sources

dtx.nl2026-07-05

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DEFION Security is a L2-verified AI-implementation provider based in Zoetermeer, Netherlands, delivering pentest, incident-response, soc-monitoring. Ranked on proof, 1 verified records on the Trustgent index.

What they build

DEFION Security is a Zoetermeer-based cybersecurity firm founded in 2005, with a second office in Barcelona. Services cover penetration testing, managed detection and response with a 24/7 SOC, incident response and digital forensics, and CISO and business-continuity advisory. Around 100 security specialists. Won the SURF MDR tender for Dutch universities and vocational institutions jointly with DTX.

Quick facts

HQ: Zoetermeer, Netherlands
Founded: 2005
Team: 50-200
Languages
Stack

Capabilities

Penetration testing
Incident response
SOC & MDR monitoring

Industries served

Financial services
Retail & e-commerce
Manufacturing & industrial
SaaS & technology
Education
Government & public sector

Regulatory readiness

Cross-referenced against public registries where a public source exists (L2+). The check mark marks an attribute we have a source for, see the proof page.

About DEFION Security

What does DEFION Security build?

DEFION Security is a L2-verified AI-implementation provider on Trustgent, delivering Penetration testing, Incident response, SOC & MDR monitoring.

Where is DEFION Security based?

DEFION Security is headquartered in Zoetermeer, Netherlands.

How is DEFION Security verified on Trustgent?

DEFION Security has an EARNED verification level of L2 on Trustgent, with 1 contributing verified records (most recent verification: 2026-07-05). Verification is independent of any subscription, plan tier is never a ranking input.

How is DEFION Security ranked?

Rank is a pure function of three EARNED signals: verification level (dominant), record count, and recency. No plan, fee, spend, or paid placement is ever an input. See https://trustgent.com/how-we-rank.