Guccifer 2.0

Security researcher and web developer

British computer hacker

American ROM hacker and tool-assisted speedrunner

German hacker and phreaker

German hacker and former spokesman of the Chaos Computer Club

Developer of Resource Hacker

Iranian Hacker Wanted by FBI

American hacker and threat analyst

Unidentified internet pirate

American computer programmer and former phone phreak

Indian activist and hacker

American filmmaker, phone phreak, hacker, and leader of the Legion of Doom

American hacker

German hacker

American hacker

Chinese hacker

Indian activist and hacker

Nicholas J. Percoco is an ethical hacker and security researcher.

Italian white-hat hacker

German computer scientist