Webhacking.kr
Webhacking.kr is a Korean cyber-security challenge platform where competitors exploit or defend vulnerabilities in web applications. With 66,529 users, 80 challenges, and 237,346 solutions, it offers a hands-on learning experience in web security.
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A live archive of DEF CON CTF challenges, vulnerable by design, for hackers to play safely.
A threat intelligence aggregation service that consolidates and summarizes security updates from multiple sources to provide comprehensive cybersecurity situational awareness.
A repository of cybersecurity conference presentation slides from Black Hat, Offensivecon, and REcon.
A collection of computer science courses with video lectures covering a wide range of topics.
A condensed field guide for cyber security incident responders, covering incident response processes, attacker tactics, and practical techniques for handling incidents.
Introductory book about cryptography with instructions for building and translating.
A guide on how to contribute to the Ayehu Custom Activities Repository
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