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12.2K Stars 2.4K Forks Other 249 Commits 11 Opened issues


Source code for - a free online web and mobile security class.

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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.

Getting Started


  • Ruby
  • bundler
    • Run
      gem install bundler
      , if needed


Clone this repo:

git clone

In the project directory, run:

bundle install

Build the site and spin up the server:

bundle exec jekyll serve

Browse to http://localhost:4000


Issues and pull requests are welcome on GitHub!

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