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
Current rules, registration, downloads, teams, and scores for the 2026 contest.
Visit 2026 siteContest Archive
Past DEF CON and DerbyCon contest years, winners, scores, and materials.
Visit archivesContest Updates
Follow the contest account for announcements and publication status.
@CrackMeIfYouCanContest 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