Computest Security

Security assurance and purple team engagements

Zoetermeer, NetherlandsFounded 200550-200 peopleen, nlcomputest.nl

L2Cross-referenced, highest level reached

1 cross-referenced

Verified against independent sources

bleepingcomputer.com2026-07-05

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Computest Security is a L2-verified AI-implementation provider based in Zoetermeer, Netherlands, delivering red-team, appsec, pentest. Ranked on proof, 1 verified records on the Trustgent index.

What they build

Zoetermeer-based security firm founded in 2005, around 55 staff across the Netherlands and Barcelona. Runs purple team engagements where blue team members with detection-rule and MITRE ATT&CK expertise iterate live with red teamers. Also delivers pentesting, DevSecOps assurance and managed detection through its Defion Security arm.

Quick facts

HQ: Zoetermeer, Netherlands
Founded: 2005
Team: 50-200
Languages: en, nl
Stack: MITRE ATT&CKSIEM tuningweb/mobile/API testing

Capabilities

Red teaming
Application security
Penetration testing
Blue team & detection engineering

Industries served

Financial services
Retail & e-commerce
Manufacturing & industrial
SaaS & technology
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 Computest Security

What does Computest Security build?

Computest Security is a L2-verified AI-implementation provider on Trustgent, delivering Red teaming, Application security, Penetration testing.

Where is Computest Security based?

Computest Security is headquartered in Zoetermeer, Netherlands.

How is Computest Security verified on Trustgent?

Computest 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 Computest 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.