Hacker101 – A Free Web Security Class
Hacker101 is a free class for web security. Whether you’re a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teach you.
Hacker101 – A Free Web Security Class launched on January 24, 2018 with 33 votes, #871 of 3,021 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 8 years on.
In plain words
Hacker101 is a free web security course designed for programmers interested in bug bounties and experienced security professionals alike. The class covers web security concepts and practical hacking techniques through structured lessons. It serves anyone wanting to learn offensive security skills, from beginners exploring bug bounty opportunities to seasoned professionals seeking to expand their knowledge.
written from the facts on this page · September 2026
From the sources
Hacker101 is a free class for web security. Whether you’re a programmer with an interest in bug bounties or a seasoned security professional, Hacker101 has something to teachfrom hacker101.com
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