CTF Competitions

Chronos Security
CTF Competitions

From a local competition in Sibiu to international cybersecurity events. Discover our journey of growth, innovation, and impact in cybersecurity education through Learn cybersecurity. Together..

3+
Years Experience
1000+
Total Participants
5
Competitions Organized
Our Journey

Competition Timeline

Five competitions spanning three years of growth, innovation, and impact in cybersecurity education

2023March 10-12, 2023

SMCC 2023

Sibiu Military Cyber Challenge

Sibiu, Romania
~100

Our inaugural cybersecurity competition that marked the founding of Chronos Security. This local event in Sibiu established our commitment to cybersecurity education and community building.

30+
teams
48 hours
duration
Military & Civilian
categories

Key Achievements

First successful CTF organization
Foundation of Chronos Security NGO
Local cybersecurity community engagement
Established competition framework
SMCC 2023 Writeups
SMCC 2023 logo
2024March 29-31, 2024

CSCTF 2024

Chronos Security CTF 2024

Online (Romania)
250+

Expanded to national level with participation from major Romanian universities. Established multiple competition categories and professional challenge development processes.

80+
teams
48 hours
duration
3
categories

Key Achievements

National Romanian reach achieved
250+ participants from universities
Three categories: highschool, university/masters, and open
Enhanced online platform deployed
CSCTF 2024 logo
2024September 2024

SCD CTF 2024

Sibiu Cyber Dialogues CTF 2024

Sibiu, Romania
30+

First edition CTF organized for the 10th Sibiu Cyber Dialogues conference, bringing together cybersecurity professionals and students in a collaborative learning environment.

10+
teams
5 hours
duration
1
category

Key Achievements

First conference-integrated CTF
Professional networking opportunities
Industry-academic collaboration
Enhanced regional presence
Details
SCD CTF 2024 logo
2025September 2025

SCD CTF 2025

Sibiu Cyber Dialogues CTF 2025

Sibiu, Romania
50+ expected

Second edition for the 11th Sibiu Cyber Dialogues conference, expanding our conference CTF format with enhanced challenges and broader participation.

15+ expected
teams
5 hours
duration
1
category

Key Achievements

Expanded conference format
International speaker integration
Enhanced challenge categories
Professional development focus
SCD CTF 2025 Photos Coming Soon
2025November 7-9, 2025

CSCTF 2025

Chronos Security CTF 2025

Online (EU/NATO)
500+ expected

Our flagship international competition expanding to EU and NATO countries. Features enhanced sponsorship program and professional development opportunities for participants with three competitive categories: Juniors (under 18), Seniors (over 18), and Fighters (open to all with biggest prizes).

100+ expected
teams
48 hours
duration
3
categories

Key Achievements

International expansion to EU/NATO
Professional sponsorship program
Three categories: Juniors, Seniors, and Fighters
Advanced challenge development
CSCTF 2025 logo
Join Our Journey

Be Part of the Next Chapter

Whether you're a participant, sponsor, or educational partner, there's a place for you in our growing cybersecurity community.

Participate

Join CSCTF 2025 and test your cybersecurity skills against participants from across Europe and NATO countries.

Register Now

Sponsor

Support cybersecurity education and connect with emerging talent through our comprehensive sponsorship program.

Become a Sponsor

Questions about our competitions or partnerships? Get in touch with our team