From One Student to International
2023: One student organizing a county-level CTF in Sibiu. 2024: National reach. 2025: 580+ participants from 10+ countries. Every edition built on the last.
Chronos Security CTF 2026
The upcoming flagship under the theme Total Warfare — around 40 realistic, scenario-driven challenges built with industry practitioners.
Highlights
- International participation
- Three age-based brackets, one challenge set
- Winner writeup verification
Chronos Security CTF 2025
The flagship international competition that established Chronos as a significant player in the CTF community with 580+ participants.
Highlights
- International participation from 10+ countries
- EUR 8,000+ prize pool
- 7 educational partners, 5 sponsors
Official CSCTF 2025 Logo
SCD CTF 2025 Event Banner
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Sibiu Cybersecurity Dialogues CTF 2025
A conference-supported CTF at Sibiu Cybersecurity Dialogues 2025, demonstrating Chronos's ability to deliver tailored competition formats.
Highlights
- Conference integration
- Condensed format
- Industry networking
Chronos Security CTF 2024
The first major online expansion of the competition, transitioning from local to national reach with improved infrastructure.
Highlights
- First fully online edition
- National media coverage
- Established three-bracket system
Official CSCTF 2024 Logo
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SCD CTF 2024 Event
Sibiu Cybersecurity Dialogues CTF 2024
The first conference-supported CTF format at the 10th edition of Sibiu Cybersecurity Dialogues, testing the viability of shorter, integrated competition events.
Highlights
- First conference collaboration
- Short-format competition
- Professional audience
Sibiu Military Cyber Challenge
The founding competition that established Chronos Security's presence in the Romanian cybersecurity community with a military focus.
Highlights
- Partnership with military institutions
- Local cybersecurity community engagement
- Established competition framework
Official SMCC 2023 Logo
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Be Part of the Next Chapter
CSCTF 2026 is coming. Join us as a participant, volunteer, or supporter.