Registration openOnline · Tech · beginner · cybersecurity, ctf, ethical-hacking
A free, seven-day online cybersecurity experience for complete beginners to learn through practical missions and labs, culminating in a live CTF competition. Open to students and professionals worldwide with no prior experience required.
Registration openOnline · Tech · beginner · ctf, cybersecurity, web-security
A 12-hour online CTF competition covering web exploitation, cryptography, forensics, and reverse engineering. Open to individuals or teams of two for a chance to win prizes and earn verifiable certificates.
Registration openOnline · Tech · intermediate · ctf, cybersecurity, web-security
An international CTF competition testing cybersecurity skills through online and offline stages. Participants solve challenges in web security, cryptography, and forensics as individuals or teams of up to three.
Registration openChennai · Tech · intermediate · cybersecurity, ctf, red-team
An offline cybersecurity competition in Chennai where teams compete as Red (attack) or Blue (defense) groups in a controlled lab environment. Participants practice ethical hacking, vulnerability exploitation, and incident response while adhering to strict rules against external s
Registration openChennai · Tech · intermediate · ctf, cyber-security, digital-forensics
A 6-hour cybersecurity competition in Chennai where teams solve real-world security challenges in domains like reverse engineering, forensics, and web exploitation. Open to beginners through advanced participants working in teams of up to two.
Registration openChennai · Tech · intermediate · ctf, cyber-security, web-security
A CTF-style cybersecurity competition in Chennai where teams of up to two members solve hands-on security challenges to find vulnerabilities and capture flags. The event tests skills in ethical hacking, web exploits, and responsible disclosure with a competitive leaderboard.
Registration openOnline · Tech · beginner · ctf, cyber-security, web-security
A free, online solo CTF competition testing cybersecurity skills through challenges in web security, cryptography, forensics, and more. Open to students, professionals, and enthusiasts of all experience levels.
Registration openMathura · Tech · intermediate · ctf, cybersecurity, web-security
A national CTF cybersecurity competition in Mathura featuring online and on-site rounds. Participants solve challenges in web security, cryptography, forensics, and reverse engineering to capture flags and demonstrate technical skills.
Registration openOnline · Tech · intermediate · ctf, cyber-security, cryptography
Lun4R CTF 2026 is a free cybersecurity competition with online qualifiers and offline finals for students and enthusiasts. Teams solve challenges in cryptography, forensics, and web security to win a ₹1 lakh cash prize.
Registration openOnline · Tech · beginner · ctf, cyber-security, web-security
A 3-hour online and offline Jeopardy-style CTF testing offensive security skills in web exploitation, OSINT, cryptography, and forensics. Open to students and professionals forming teams of 1-3 members.