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Answers and Guides

Who Should Learn Web Security with Hacker101?
Hacker101 is a free web security class aimed at two broad groups: programmers who are curious about bug bounties, and experienced…
How Does Hacker101's Capture the Flag Work?
Hacker101's Capture the Flag (CTF) is a set of practice levels you play directly on the Hacker101 site, built to apply what you l…
What learning resources does Hacker101 offer?
Hacker101 offers four main learning resources: free video lessons, written guides and resources, Capture the Flag (CTF) practice …
Is Hacker101 Free to Use?
Yes. Hacker101 describes itself as "a free class for web security," and its homepage lists no prices, paid tiers, or payment plat…
What Is Hacker101?
Hacker101 is a free web security class from HackerOne. It combines video lessons, written guides, and hands-on Capture the Flag (…