Computer security specialists

British-American programmer and businessman (1945–2021)

Russian specialist in the information security field

Leader of the OpenBSD project

American hacker

American computer security researcher (born 1983)

Polish hacker and computer security expert

Dutch computer scientist

American physicist and computer security expert

American computer security expert

American security expert and entrepreneur

American/Iranian computer security expert

American technologist, science fiction author, and journalist

Chinese blogger, dissident

Francesco Vianello (30 August 1952 – 3 May 2009), better known by his nickname Fravia (sometimes +Fravia or Fravia+), was a software reverse engineer, who maintained a web archive of reverse engineering techniques and papers. He also worked on steganography. He taught on subjects such as data mining, anonymity and stalking.

Mathematician, computer programmer

New Zealand hacker, programmer and computer security professional

American attorney and former Director of the Cybersecurity and Infrastructure Security Agency

Estonian cybersecurity expert (born 1980)

researcher

Swiss politician

Australian computer scientist, security researcher, and activist (1978/1979–2022)

American cybersecurity executive

privacy and security researcher

Vietnamese hacker

Russian entrepreneur

American computer scientist

Canadian computer programmer and security researcher

American cybersecurity, privacy and anti-stalkerware activist

Belgian computer scientist

Computer security expert

Polish hacker