Trusted Security Advisers Register

287 Information Security Professionals have joined TSAR already! ...And we're still growing fast!

Navigation through the listings is straightforward - simply scroll down and browse, or use the fixed menu on the right to filter by credential type, and then click on a Professional's name to see more information about him/her. If you have any comments or suggestions, please contact me.

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TSARListings

Thomas O'Sullivan, C2 Cyber Ltd
Niche Cyber Security Consultancy with ability to deploy on short and long term engagements.
UK based.
Security clearance(s) held.
CISSP [(ISC)²] Certified Information Systems Security Professional from 2016-05-11 to 2025-05-31
Telephone: 02079 657 596 / 07585 603 369