Chronos SecurityChronos Security
Chronos Security Competitions

Hands-on Cybersecurity
Competitions

Practical cybersecurity competitions that turn curiosity into real participation. From local Sibiu roots to international reach with 1500+ participants across 5+ competitions.

View CSCTF 2026Join the Discord
UpcomingFlagship Event

CSCTF 2026

The next Chronos flagship competition is taking shape. Join us in early November 2026 for 48 hours of hands-on cybersecurity challenges designed to turn curiosity into real participation.

Early November
2026
1-5
Team Size
48 Hours
Duration
International
Online Format
View CSCTF 2026 Sponsorship OpportunitiesPartnership Program
Competition Model

How We Compete

Chronos runs multiple competition formats to serve different communities and contexts.

Annual Flagship

CSCTF is our main event, open to international participants with significant prize pools.

Conference-Supported

Future formats supporting conferences and events with tailored competition tracks.

Educational

Institutional and educational formats for schools, universities, and training programs.

Community Activity

Smaller challenges and activities between major milestones to keep the community engaged.

Track Record

Competition History

5+
Competitions
1500+
Total Participants
3+
Years
550+
CSCTF 2025
Archive

Past Editions

Previous competition editions are preserved as archives. Results, writeups, and certificates remain accessible.

Archive

CSCTF 2025

550+ participants, EUR 8,000+ prize pool, 7 educational partners, 5 sponsors.

View Archive Certificates
Archive

Earlier Editions

From local Sibiu competitions to growing regional events. The foundation for our current reach.

Learn Our History

Join the Community

Connect with participants, volunteers, and contributors on Discord. Stay updated on competition news.

Join Discord

Support Our Competitions

Organizations can sponsor events or partner with us to reach engaged cybersecurity talent.

Collaborate