Registration openOnline · Other · ctf, cyber-security, web-exploitation
An international online CTF competition featuring challenges in web exploitation, cryptography, reverse engineering, and digital forensics. Open to teams of 1-4 at any skill level, this free event runs in two rounds on September 18 and 25-26, 2026.
Registration openVellore · Tech · intermediate · ctf, cybersecurity, digital-forensics
A team-based CTF competition in Vellore focusing on cybersecurity skills like digital forensics, reverse engineering, and cryptography. Participants solve technical challenges across multiple domains to capture flags and rank on the leaderboard.
Registration openVellore · Sports · intermediate · ctf, strategy, teamwork
A team-based physical tech hunt where participants solve a rapid-fire quiz, hide flags strategically, and compete to capture opposing teams' flags across the VIT Vellore campus. This competition focuses on strategy, teamwork, and problem-solving skills.
Registration openOnline · Tech · advanced · cyber-security, ai, ctf
A competitive cybersecurity challenge testing skills in securing AI systems through scenarios like prompt injection, LLM jailbreaking, and agentic AI attacks. Designed for ethical hackers, students, and security professionals to prove offensive security capabilities.
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 openBangalore · Tech · ctf, cyber-security, offensive-security
An offline jeopardy-style CTF competition for undergraduate engineering students in India. Teams of up to four solve offensive and defensive security challenges on a live leaderboard using their own laptops.
Registration openTiruchirappalli · Tech · intermediate · cybersecurity, ctf, docker
A 30-hour hybrid cybersecurity competition for undergraduate and postgraduate students featuring Jeopardy-style challenges, Docker tasks, and system emulation. Teams compete to identify vulnerabilities and exploit weaknesses for a ₹30,000 prize pool.
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 openPimpri-Chinchwad · Tech · beginner · ctf, cybersecurity, ai-tools
A two-round cybersecurity and AI competition for student teams in Pune. Round 1 tests prompt engineering on LLMs, while Round 2 is an offline CTF covering logic, decoding, and core security concepts.
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.