Turing's conviction led to the removal of his security clearance and barred him from continuing with his cryptographic consultancy for the Government Communications Headquarters (GCHQ), the British signals intelligence agency that had evolved from GC&CS in 1946, though he kept his academic job.
Condamnarea lui Turing a dus la revocarea permisiunilor sale de securitate și l-au oprit din a continua activitatea de consultanță criptografică pentru Government Communications Headquarters (GCHQ)⁠(en), serviciul de informațîi britanic evoluat din GC&CS în 1946 (deși și-a păstrat postul academic).