MDSec
Elite UK offensive security consultancy specialising in CBEST/STAR/TIBER red teaming, advanced adversary simulation, and CREST-accredited penetration testing for FTSE 100 clients.
Featured in: Best CREST Pen Testing Companies
Key facts
- Founded in 2011.
- Headquartered in Southam, United Kingdom.
- Team of 11-50 security professionals.
- Holds CREST, CHECK, CBEST, STAR, ISO 27001, Cyber Essentials, and Cyber Essentials Plus accreditation.
- Delivers 10 penetration testing services.
- Operates globally, with delivery across the UK and Europe.
- Specialises in Adversary Simulation, Payment Security, and Financial Services Security.
- Compliance expertise across ISO 27001, PCI DSS, GDPR, NIS 2, and DORA.
About
MDSec is a specialist UK cybersecurity consultancy founded in 2011, known globally as one of the most technically elite offensive security firms in operation. The company serves over 250 regular clients including many FTSE 100 organisations and some of the world's most recognised brands in financial services, retail, software, and government sectors. With a dedicated team of more than 35 expert security consultants, MDSec punches well above its weight by focusing exclusively on the highest-calibre adversary simulation, penetration testing, and security research engagements.
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