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Certifications and Qualifications of the Closed Door Security Team

Security Engineer
March 20, 2026
2 min read
Certifications and Qualifications of the Closed Door Security Team
Building a staff of exceptionally skilled professionals is something we at Closed Door Security take great pride in. However, don't just take our word for it—ta...

Building a staff of exceptionally skilled professionals is something we at Closed Door Security take great pride in. However, don't just take our word for it—take a look at some of our qualifications and certifications.  

CREST Accreditation

Closed Door Security has achieved CREST Accreditation for penetration testing. This means that we conduct our testing in line with the highest ethical and technical standards. Our staff are put through a rigorous evaluation process to make sure they live up to the high standards set by the CREST organisation.

ISO 27001 Auditing

ISO 27001 is an international standard that standardises information security management systems. At Closed Door Security, our experts are able to help you achieve this standard. This makes it possible for us to evaluate and improve an organisation's cyber security posture in its entirety.

Cyber Essentials and Cyber Essentials Plus Certifications

We not only secure your systems but also provide recognised validation for your own cyber security measures as we are a certification body for the Cyber Essentials and Cyber Essentials Plus schemes created by the NCSC (National Cyber Security Centre).

IASME Maritime Cyber and IASME Cyber Assurance

Furthermore, Closed Door Security has earned certifications in IASME Maritime Cyber and IASME Cyber Assurance, proving our adaptability and expertise across multiple industries, including the maritime sector.

Security Consulting, Operations and Solutions

In addition to certified professionals, our team includes seasoned solution architects, operations specialists and security consultants. Each person contributes a diverse range of abilities and an abundance of experience.

In conclusion, as the threat of cyber attacks increases, the credentials of your cyber security provider are more important than ever. We at Closed Door Security are more than equipped to protect your future and preserve your assets thanks to our extensive experience and multiple certifications.

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