CyberlabAcademy
CyLab Security Academy is the new home of picoCTF. It is a premier cybersecurity learning platform featuring a massive library of Capture The Flag (CTF) challenges. Serving over a million learners worldwide, the migrated platform keeps all existing picoCTF accounts and history intact. It's an excellent environment for both beginners and experienced players to sharpen their practical security skills.
cylabacademy.org