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Crack Me If You Can
Password Cracking Contest

KoreLogic's password cracking contest challenges teams to recover plaintexts, compare methods, and push password research forward.

2026 Contest Site Coming Soon Past Contests

2026 Contest Site

Coming soon. Rules, registration, downloads, teams, and scores will be published here when available.

Coming soon

Contest Archive

Past DEF CON and DerbyCon contest years, winners, scores, and materials.

Visit archives

Contest Updates

Follow the contest account for announcements and publication status.

@CrackMeIfYouCan

Contest Archive

Past CMIYC contests show how teams attacked realistic password sets, hash types, scoring rules, and timed challenge releases across DEF CON and DerbyCon events.

All Years

Every past Crack Me If You Can contest year with winners and materials.

2024 Archive

Rules, downloads, teams, final scores, graphs, and hash set notes.

2023 Archive

DEF CON 31 results, hashcat's Pro win, Street results, team pages, downloads, and charts.

Detailed contest archives include team standings, rules, downloads, score charts, and password-source notes: Contest archive index