A group of computer security enthusiasts and researchers.

Hackerdom team appeared in the fall of 2005 at the Mathematics and Mechanics Department of the Ural State University. The main activities of the team are the study of computer security, participation in Capture The Flag competitions, as well as hosting their own competitions.

• RuCTF Finals (ex RuCTF)
• RuCTF (ex RuCTFE)
• QCTF