Alain Chouet, born in 1946, a graduate of the École des langues orientales, entered the SDECE (Service de documentation extérieure et de contre-espionnage) in 1972, in 1982 it become the DGSE (Direction générale de la sécurité extérieure). He retired in 2002 as head of the Security service. Jean Guisnel, born in 1951, is a journalist for Le Point, he is the author of several books, amongst which, published by La Découverte, Guerres dans le cyberespace. Services secrets et Internet (1995), Armes de corruption massive (2011).