About
CSCTF 2026
Chronos Security's annual CTF, 4th edition.
Online, Jeopardy-style, 48 hours, free to enter.
580+ participants from 10 countries in 2025.
- Date 6–8 November 2026
- Start 15:00 EET (UTC+2)
- Duration 48 Hours
- Format Jeopardy
- Teams 1–5 people
- Entry Open worldwide, free
Tracks
Competition Tracks
Juniors
Under 18
Seniors
18 and over
Fighters
No age restriction
Best prizes.
Timeline
Schedule
Announcement
Live
Registration
Opens 1 Jun 2026
Competition
6–8 Nov 2026 · 48H
Writeups
+24h after close
Results
+48h after close
Categories
Challenge Areas
Web
Cryptography
Reverse Engineering
Forensics
OSINT
Pwn
Linux
Windows
Misc
? Surprise
Post-Event
After the Event
Writeups
Top 3 per track submit writeups within 24h of close. Results published 48h after close.
Prize eligibility →Certificates
Available at certs.chronos-security.ro after results are published.
Operation
Total Warfare
Realistic scenarios built around the sectors modern warfare reaches.
About the theme →
Sponsorship
CSCTF 2026
Sponsor CSCTF 2026
No sponsors confirmed for 2026 yet. If your company works in security, reach out.
Sponsorship inquiries:
[email protected]subject: CSCTF 2026 Sponsorship Inquiry
- Date 6–8 November 2026
- Tiers Silver / Gold / Platinum
- 2025 580+ participants, 5 sponsors