Capture the Flag

BSides Vilnius 2025 Capture the Flag starts at May 17th, 16:00 and ends at May 22nd, 16:00 (during the main event). CTF is open - everyone can participate, but some challenges will only be accessible on-site during the event.

The CTF is jeopardy style. There will be more than 10 tasks, of various types. Forensics, crackme, webapps, mobile app reversing, cloud privilege escalation, OSINT, AI, and more.

Rules

• Be respectful. Maintain a friendly, sportsmanlike atmosphere.
• Don't enable cheating. Each challenge should be solved by the team and not shared with friends or other participants.
• You're allowed to use any available resources during the competition.
• Don't mess with the challenges. Participants should not take any actions which could impede other participants from solving any of the challenges.
• Don't spoil it for others. Any write-ups or flags may be published only after the CTF is officially closed.
• Tread with caution. Participants should be careful not to interfere with the operation of any systems which are not explicitly or logically indicated as being part of the challenge.

Award Ceremony

Winners will be announced at the end of the main event day, after the last talk (18:15).