CTF

Online challenges

Live

• Archives (Defcon CTF, GItS, Hack.lu, NDH, ...) http://capture.thefl.ag/
• Hack.lu
  • Hack.lu CTF 2010
  • Hack.lu CTF 2011
• rwthCTF 2011
• https://wiki.mozilla.org/Security/Events/CTF
• Ghost in the Shellcode
  • Gits Teaser 2012
  • Gits 2012
• http://ctf.forbiddenbits.net/?
• ...

Permanent

• http://www.newbiecontest.org
• http://www.hackthissite.com
• http://hackbbs.org
• http://www.try2hack.nl
• http://www.overthewire.org
• http://www.root-me.org/fr/Capture-The-Flag/
• http://p0wnlabs.com/free/vms
• ...

IRL challenges

• Insomni'Hack
• Jurackerfest
• ...