Training Description
Key Takeaways
- 48-hour online Jeopardy-style CTF competition open to global participants
- Challenge categories include web security, cryptography, reverse engineering, forensics, OSINT, and binary exploitation
- “Total Warfare” theme featuring scenarios inspired by sectors affected by modern warfare
- Dedicated Juniors track for participants under 18
- Free entry for individuals and teams of up to five people
About the Competition
CSCTF 2026 is the fourth annual Capture The Flag competition organized by Chronos Security. The online event runs for 48 hours in a Jeopardy-style format, where participants solve security challenges across multiple categories to accumulate points. The 2025 edition attracted over 580 participants from 10 countries.
Teams may consist of one to five members, and the competition includes a separate Juniors track for competitors under 18 years old. Participants receive certificates upon completion, and writeups are published after the event.
Challenge Categories
The 2026 competition covers established CTF disciplines alongside its thematic focus on warfare-related cyber scenarios:
- Web security
- Cryptography
- Reverse engineering
- Digital forensics
- Open Source Intelligence (OSINT)
- Binary exploitation (Pwn)
- Linux and Windows security
- Miscellaneous challenges
Who Should Participate
CSCTF 2026 is designed for cybersecurity students, professionals, and enthusiasts seeking hands-on experience with realistic attack scenarios. The competition suits security analysts, penetration testers, security engineers, and researchers looking to test their skills under time pressure. University teams and younger participants (through the Juniors track) can use the event to develop practical problem-solving abilities across core security domains.