Online · Tech · intermediate · ctf, cybersecurity, web-security
HackHub's Operation Black Vault is a free cybersecurity CTF competition for students held online from July to August 2026. Participants solve challenges in web security, cryptography, and forensics to qualify for an offline finale at IGDTUW.
Online · Tech · intermediate · ctf, cybersecurity, web-security
Hacker's Gambit 2026 is a free international Capture The Flag (CTF) cybersecurity competition with an online qualifier and offline finale. It targets students and professionals testing skills in web security, cryptography, and forensics.