Active Countermeasures
is a group of like-minded geeks that are passionate about giving back to the security community. We do this through free training, thought leadership, and both open-source and affordable commercial tools.
Active Countermeasures CTF
Brand new to Threat Hunting?
Brushing up on old skills?
Ready to prove your prowess?
Rise to the challenge with our exclusive Capture the Flag competition!
Custom built by ACM’s very own Chris Brenton and Bill Stearns, test your mettle in this 25-question, threat hunting-based CTF, and earn the chance to win an Active Countermeasures Threat Hunting coin!
* This CTF is not related to the puzzle scattered throughout this zine, which, if you want more puzzles, is great news!