Chronos SecurityChronos Security
Competition Archive

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From local Sibiu roots in 2023 to international reach with 1500+ participants. Every competition builds on the last.

6+
Competitions
1500+
Participants
3+
Years
30+
Countries
Chronos Security CTF 2026
UpcomingCSCTF 2026

Chronos Security CTF 2026

The upcoming flagship competition, building on the success of CSCTF 2025 with expanded reach and new challenges.

Early November 2026
Online (International)
TBD participants
48 hours

Highlights

  • International participation
  • Three competitive brackets
  • Enhanced challenge categories
Learn More
2025CSCTF 2025

Chronos Security CTF 2025

The flagship international competition that established Chronos as a significant player in the CTF community with 550+ participants.

November 7-9, 2025
Online (International)
550+ participants
48 hours

Highlights

  • International participation from 30+ countries
  • EUR 8,000+ prize pool
  • 7 educational partners, 5 sponsors
Competition PlatformCertificates Portal
CSCTF 2025 Logo
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Official CSCTF 2025 Logo

SCD CTF 2025 Banner
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SCD CTF 2025 Event Banner

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2025SCDCTF 2025

SCD CTF 2025

A conference-supported CTF at Secure by Design 2025, demonstrating Chronos's ability to deliver tailored competition formats.

April 2025
Secure by Design Conference
50+ participants
8 hours

Highlights

  • Conference integration
  • Condensed format
  • Industry networking
2024CSCTF 2024

Chronos Security CTF 2024

The first major online expansion of the competition, transitioning from local to national reach with improved infrastructure.

March 29-31, 2024
Online (Romania)
250+ participants
48 hours

Highlights

  • First fully online edition
  • National media coverage
  • Established three-bracket system
CSCTF 2024 Writeups
CSCTF 2024 Logo
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Official CSCTF 2024 Logo

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SCD CTF 2024
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SCD CTF 2024 Event

2024SCDCTF 2024

SCD CTF 2024

The first conference-supported CTF format, testing the viability of shorter, integrated competition events.

April 2024
Secure by Design Conference
40+ participants
6 hours

Highlights

  • First conference collaboration
  • Short-format competition
  • Professional audience
2023SMCC 2023

Sibiu Military Cyber Challenge

The founding competition that established Chronos Security's presence in the Romanian cybersecurity community with a military focus.

March 10-12, 2023
Sibiu, Romania
100+ participants
48 hours

Highlights

  • Partnership with military institutions
  • Local cybersecurity community engagement
  • Established competition framework
SMCC 2023 Writeups
SMCC 2023 Logo
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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.

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