Breaker 101
An interactive web security course
Breaker 101 launched on March 28, 2016 with 3 votes. The site was still online in September 2026, 10 years on.
What it does
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.
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