An archive of low-level CTF challenges developed over the years
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Latest capture 2026-10-10 03:19
Archive status reflects the last catalog sync, not a maintenance assessment. Check recent releases, issue responses, and fit for your project with the repository shortlisting checklist.
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5 observed captures since 2026-06-24. Observed captures are shown by default.
Stars from first capture +5
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Nearest indexed repositories by embedding similarity.
A deliberately vulnerable CI/CD environment. Learn CI/CD security through multiple challenges.
Google CTF
Platform to host Capture the Flag competitions
CTFs as you need them
The most comprehensive Hack The Box writeup collection - 500+ machines, 400+ challenges, interactive knowledge graph, skill trees, attack path diagrams, ProLabs, Sherlocks, OSCP/CPTS/CRTO prep. Browse: momenbasel.github.io/htb-writeups
A Game of Hackers (CTF Scoreboard & Game Manager)
