Contact Pentrox Cybersecurity B.V.
Get a custom proposalSenior-led pentests. Insight you can act on.
Pentrox is a boutique offensive security consultancy based in Amsterdam. We help organisations identify exploitable weaknesses, understand their business impact and verify that fixes work. Our senior ethical hackers give IT teams practical remediation advice and decision-makers clear priorities.
Our services include web and API pentests, mobile application testing, internal and external infrastructure pentests, cloud security reviews, Azure and Entra ID assessments, source code reviews, hardware security testing and AI/LLM pentests. We also deliver red teaming, scenario-based assessments, phishing simulations and physical security testing. Testing can support security assurance programmes around NIS2, ISO 27001, PCI DSS, NEN 7510 and DigiD, within an agreed scope.
Every finding is reviewed by a second ethical hacker before publication. Validated findings appear in the Pentrox Portal during the assessment, and critical risks are communicated directly so remediation can start promptly. Clients have direct contact with their tester and one place for progress, findings, reports, questions and retest status.
Our technical report provides evidence and actionable remediation guidance. The management summary explains risk and priorities. Retesting of remediated findings within 90 days of report delivery is included.
We deliver complete assessments as a team. Pentest as a Service supports organisations that need recurring testing across releases or throughout the year. There is no fixed minimum project budget: scope and price are agreed for each engagement.
Contact Mark Oversteegen to discuss your systems, security questions and the right assessment scope.
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Min project size
Undisclosed
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Hourly rate
Undisclosed
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Employees
2 - 9
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Locations
Amsterdam, Netherlands
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Year founded
Founded 2026
1 Locations
- Amsterdam , Netherlands
Service Lines
- Cybersecurity
- 100%
Industries
No Industries have been added yet…
Clients
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Our Story
Pentrox was built to make security assessments more useful for clients. Our ethical hackers bring different offensive security specialisms together, with senior delivery and a second review of every finding. Through the Pentrox Portal, clients follow progress, understand the risks that matter and track remediation. Our goal is to help teams act earlier and give decision-makers clear, practical evidence.
What Sets Us Apart
Senior expertise with a second review
Specialists in offensive security work together on each assessment. A second ethical hacker reviews findings before publication, giving clients validated evidence and practical remediation advice.Live insight through the Pentrox Portal
Follow assessment progress and validated findings in one shared workspace. Critical risks are communicated directly, helping your team start remediation while testing continues.Clear priorities and included retesting
Technical evidence and a management summary connect vulnerabilities to risk and action. Retesting of remediated findings within 90 days of report delivery is included, so fixes can be verified.Locations (1)
Contact Pentrox Cybersecurity B.V.
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