Was Kim Philby a Triple Agent?

In the paranoid thinking of the KGB, Philby the double agent could have been a triple agent, loyal to Britain. After his death in 1988 one of his MI6 colleagues wanted to place an obituary in The Times hinting that he had been working for Britain all along.

Did Graham Greene know Kim Philby?

In February 1987, the novelist Graham Greene met the Soviet spy Kim Philby for dinner. The latter had been the former's supervisor and friend at MI6 30 years earlier, but by the time they met Philby had long been exposed as a communist double agent and was living out his retirement in Moscow.

What is a double double agent?

In the field of counterintelligence, a double agent (also double secret agent) is an employee of a secret intelligence service for one country, whose primary purpose is to spy on a target organization of another country, but who is now spying on their own country's organization for the target organization.