Offensive SecurityA Partnership in Co-Defense with COFFSec

COFFSec is a Hong Kong cybersecurity consultancy and research collective dedicated to creating a safer digital world. We aim for real-world impact that scales. Our cutting-edge security consulting and innovative research for global technology partners directly influence people, processes, and technologies helping to safeguard the digital lives of billions.

HoldsOSCE3BSCPCRTMOSIRAPISec
3+
CTF Wins
13+
Certifications
19+
CVEs Disclosed
Our Team

Security professionals with proven track records

Certifications
BSCPCRTPCRTECRTMOSCPOSEPOSWEOSIROSEDOSCE3CRTOAPI PentestingCPSA
3+
CTF Wins
13+
Certs
19+
CVEs
Achievements

Cyber Elite Training & Attack-Defense Competition 2024

CTF Competition Winner

Hong Kong Cyber Security Attack & Defense Drill 2024

CTF Competition Winner

PwC's HackaDay 2021

CTF Competition Winner

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Certified Experts