Lun4R CTF 2026

Step into the shadows. Hunt the flag. Claim the moon. Lun4R CTF 2026 is a high-intensity cybersecurity Capture The Flag competition conducted by ROOT RIET, the cybersecurity community of Rajadhani Institute of Engineering and Technology (RIET). Designed for cybersecurity enthusiasts, students, and problem-solvers, Lun4R CTF brings together challenges that test technical skills, creativity, persistence, and the ability to think beyond the obvious. ₹1 LAKH CASH PRIZE + EXCLUSIVE VOUCHERS Compete for a massive ₹1 Lakh cash prize pool, with exclusive vouchers and additional rewards offered separately. Event Format Round 1: Online Qualifiers Date: September 20, 2026 The first phase of Lun4R CTF will be conducted online, allowing participants to compete remotely across a diverse range of cybersecurity challenges. Only the best teams will rise through the leaderboard and qualify for the final showdown. Round 2: Offline Finals Date: October 4, 2026 Venue: Rajadhani Institute of Engineering and Technology, Thiruvananthapuram The top-performing teams from the online qualifiers will advance to the offline finals, where they will compete face-to-face for the ultimate title. Expect tougher challenges, a more intense environment, and one final mission: Capture the flag. Dominate the leaderboard. Become the champions of Lun4R CTF. Whether you're into Web Exploitation, Cryptography, Forensics, Pwn, or Miscellaneous challenges, Lun4R CTF is your arena to test your skills against some of the sharpest minds in cybersecurity. ₹1 Lakh in cash. Vouchers and additional rewards separately. Two rounds. One final showdown. The moon is watching. Will you answer the call?