Lantos was the codename of an agent who worked for the secret service in the early 1980s. His real name is unknown. Lantos wrote reports about student life and political discussions at the Karl Marx University of Economic Sciences (Marx Károly Közgazdaságtudományi Egyetem, or MKKE). He was a student and an active participant in university club life and served as one of the editors of the Közgáz-klub’s bulletin Klub Közlöny (Club Gazette). His file contains 212 pages of reports written between 1979 and 1985.985.