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..
Five competitions spanning three years of growth, innovation, and impact in cybersecurity education
Sibiu Military Cyber Challenge
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.

Chronos Security CTF 2024
Expanded to national level with participation from major Romanian universities. Established multiple competition categories and professional challenge development processes.

Sibiu Cyber Dialogues CTF 2024
First edition CTF organized for the 10th Sibiu Cyber Dialogues conference, bringing together cybersecurity professionals and students in a collaborative learning environment.

Sibiu Cyber Dialogues CTF 2025
Second edition for the 11th Sibiu Cyber Dialogues conference. A focused 3-hour competition with 24 challenges, limited to 30 participants across 12 teams, emphasizing quality engagement and professional networking.

Chronos Security CTF 2025
Our flagship international competition successfully concluded with 550+ participants from around the world. The competition featured three competitive categories (Juniors, Seniors, and Fighters) with €8,000+ in prizes, supported by 5 sponsors and 7 educational partners.

Whether you're a participant, sponsor, or educational partner, there's a place for you in our growing cybersecurity community.
Learn more about CSCTF 2025, our flagship competition that brought together 550+ international participants with €8,000+ in prizes.
View DetailsSupport cybersecurity education and connect with emerging talent through our comprehensive sponsorship program.
Become a SponsorQuestions about our competitions or partnerships? Get in touch with our team