CAPTURE THE FLAG


Exercises built to help ethical hackers learn and practice their cybersecurity knowledge and skills.

There are two kind of wargames: Jeopardy and Attack & Defense. Jeopardy uses separate challenges of different types while Attack & Defense uses a situation that you have to solve, answering questions about it.

You can find websites to practice for free or you can donate to keep alive the project. These are some CTF sites:

  • We Chall
  • CTF Learn
  • Hack the box
  • Hack this site
  • 20.115.115.0
  • 20.106.94.25
  • 20.106.92.227
  • 20.106.94.16
  • 40.77.120.192
  • 52.173.32.50
  • 40.122.67.88
  • 20.80.45.59
  • 20.98.16.84
  • 20.80.15.90
  • 40.114.115.100
  • 20.98.16.132
  • 20.120.12.201
  • 20.119.52.199
  • 52.156.127.42
  • 20.114.49.228
  • 51.143.98.26
  • 20.109.156.82
  • 20.150.137.143

Also, you can find CTF events around the globe using CTF Time