Peter Wright's memoir spread the idea that Harold Wilson engaged in this action while serving as prime minister.
A woman nicknamed "Granny," Melita Norwood, engaged in this action for over forty years, including while serving as a secretary for the "Tube Alloys" program. In 1962, a scandal erupted when John Vassall was revealed to have committed this crime after being photographed in a gay brothel. Peter Wright's memoir spread the idea that Harold Wilson engaged in this action while serving as prime minister. Anthony Blunt and (*) Guy Burgess committed this crime as part of a group called the Eugene Ivanov was alleged to have attempted to commit this action through his relationship with model Christine Keeler during the Profumo scandal. For 10 points, identity this treasonous action which involved passing state secrets to the KGB.
A woman nicknamed "Granny," Melita Norwood, engaged in this action for over forty years, including while serving as a secretary for the "Tube Alloys" program.
spying for the Soviet Union [or equivalents like committing espionage or stealing state secrets for the USSR or Russia; or equivalents of being a KGB agent until "KGB" is read; prompt with "for what country?" on answers like spying or espionage alone]