Bitk, also known as @BitK is a famous French Security Researcher, Bug Hunter, Member of the French CTF team @Hexpresso and Tech Ambassador at @YesWeHack.

He is the author of YesWeBurp (a must-have bug bounty plugin).

Some of his CTF achievements are:

• 1st place CsCamp CTF 2012 (Egypt)
• 1st place Atast CTF 2013 (Tunisia)
• 1st place Hacknoledge 2013 (France)
• 2nd place Steria Hacking Contest 2013 (France)
• 1st place Steria Hacking Contest 2014 (France)
• 1st place International Forum on Cybersecurity 2014, 2016, 2017 (France)
• 2nd place Defcon open CTF 2014 (USA)
• 1st place StHack 2018 (France)
• 4 times finalist at the Nuit du Hack 2013, 2014, 2016, 2017 (France)
• finalist Real World CTF 2018 (China)
• 1st place 50M CTF 2019 (USA).