Jean-Bernard Condat (born 1963) is a French computer security expert and former hacker who became a consultant to the Directorate of Territorial Surveillance (DST).
[1][2] Using the name concombre (English: cucumber), he achieved status as one of the best-known French hackers in the 1990s.
He completed the baccalauréat at age 16 before attending the University of Lyon to study musicology,[4] earning his deug.
[5] It was around 1982 that Condat joined the Directorate of Territorial Surveillance,[2] an intelligence agency within the French National Police, who planted him in strategic positions, such as a sysop for CompuServe.
In 1989, he, under instruction from the DST and agent Jean-Luc Delacour, created the Chaos Computer Club France, a fake hacker group posing as a national offshoot of the Chaos Computer Club, with the purpose of investigating and surveilling the French hacker community.