Festival of Lights · Capture the Flag
THEUNI6CTF2.0
THE UNI6CTF 2.0 — Diwali Edition
A 24-hour online Capture the Flag competition bringing together students, professionals, researchers and cybersecurity enthusiasts to solve practical security challenges, develop hands-on skills and celebrate the spirit of the Festival of Lights.
3 Nov – 4 Nov 2026Asia/Kolkata (IST, UTC+05:30)
Online CTFOpen to participants worldwide
1–3 participantsSolo or team registration
₹111 / $2Registration per participant
Where Light Meets Logic.01 / THE COMPETITION
ABOUT THE EVENT
Where Light Meets Logic.
THE UNI6CTF 2.0 — Diwali Edition is a 24 hours cybersecurity competition built around the Capture the Flag format. Participants solve practical challenges, earn points on the leaderboard and develop hands-on security skills in a focused online environment inspired by the spirit of Diwali.
View event detailsFour reasons to
join the challenge.
Compete with purpose, learn by doing and share the experience with the wider security community.
Compete
Put practical cybersecurity knowledge and problem-solving skills to work across multiple challenge domains.
Learn
Use each challenge to explore vulnerabilities, techniques and new approaches to cybersecurity.
Connect
Engage with a community of students, professionals, researchers and cybersecurity enthusiasts.
Celebrate
Experience cybersecurity through an event inspired by the light, knowledge and community spirit of Diwali.
Diverse challenges.
Real skills.
Move across security disciplines, from application weaknesses to digital investigations. Every configured category brings a different way to think.
View all challenges01
Web
Identify and exploit vulnerabilities in modern web applications while understanding how seemingly minor weaknesses can become significant security risks.
02
Cryptography
Analyze cryptographic systems, solve mathematical challenges and identify weaknesses in flawed implementations.
03
Forensics
Examine digital evidence, recover hidden information and reconstruct events from traces contained within digital artifacts.
04
OSINT
Investigate publicly available information, connect relevant clues and uncover information hidden in plain sight.
05
Reverse Engineering
Analyze software, understand program behavior and work backwards to identify functionality, logic and potential weaknesses.
06
Steganography
Discover information concealed within images, files, media and other digital artifacts.
07
Hardware
Explore challenges involving hardware, embedded systems and the interaction between physical devices and software.
08
Miscellaneous
Solve unconventional challenges that demand creativity, experimentation and the ability to approach problems from different perspectives.
PRIZES & RECOGNITIONEarn your place
Earn your place
on the board.
Configured awards recognize the leading teams and standout performances.
Total configured prizes₹26,000
CHAMPION
₹11,000Champion
Recognition for the highest-ranked eligible participant or team in the final competition standings.
RUNNER-UP
₹7,000Runner-Up
Recognition for the participant or team achieving the second-highest eligible position in the final standings.
BEGINNER
₹5,000Best Beginner
Recognition for an outstanding newcomer demonstrating strong fundamentals, creativity and consistent performance.
SPECIAL
₹3,000Special Recognition
Recognition for exceptional creativity, persistence, technical ingenuity or contribution during the competition.
Mark your
calendar.
Keep the registration deadline and the competition window in view.
Registration Deadline
Complete your registration before the published deadline.
Competition Begins
The 24 hours online CTF opens for registered participants.
Competition Ends
The competition window closes and final submissions are recorded.
Community makes
the difference.
Organizations supporting the competition and its community.
Supporter details are being confirmed. Interested in supporting this edition?
Explore ways to get involvedOPEN ONLINE
24 hoursCTF
WHO CAN PARTICIPATE
A Place for Curious Problem-Solvers.
Registration is open to individual participants and teams. Students, working professionals, researchers and cybersecurity enthusiasts can participate subject to the applicable event requirements.
- Students and learners
- Cybersecurity enthusiasts
- Working professionals and researchers
- Solo participants and teams
Team size1–3 participants
Register now DIWALI EDITION · 3 Nov – 4 Nov 2026Bring your curiosity.
Bring your curiosity.
Take on the challenge.
Sign up solo or with a team and join a 24 hours celebration of practical cybersecurity.