A Russian intelligence officer’s attempt to expose deep-seated Soviet penetration of the Foreign Office was intercepted and neutralized, leaving him to face the consequences in Moscow.
By Harlan Pryce ·
An Austrian communist's influence in the 1930s helped plant a mole inside British intelligence, a connection tracked by the Security Service in files including a photograph.
By Vera Kessler ·
He spent decades deceiving his superiors in the SIS and MI5, a betrayal that remained unproven for twelve years after his colleagues fled to the Soviet Union.
By Vera Kessler ·
For more than twenty years, a confidante of the Cambridge Five kept silent about a recruitment attempt by a Soviet agent, a secret finally handed to MI5 in 1962.
By Vera Kessler ·
British agents were fed to the Soviets while a high-ranking traitor operated in Washington; the full extent of the breach remained hidden until 1963.
By Constance Bell ·
A Russian émigré stayed silent for twenty years after a Soviet spy tried to recruit her, leaving a void in British security that lasted until 1962.
By Harlan Pryce ·
From the halls of Cambridge to a senior post in Washington, one man deceived his country for nearly thirty years before fleeing to the Soviet Union in 1963.
By Constance Bell ·
British intelligence officers and American allies were blind to a mole in their midst for decades, a betrayal that persisted until a 1963 confession.
By Constance Bell ·
A committed communist's influence in Vienna sparked a betrayal that compromised British intelligence for decades, a link documented in Security Service personal files.
By Harlan Pryce ·
She married him in 1933 and introduced him to the handlers who would dismantle British security from the inside, a connection tracked by the Security Service.
By Harlan Pryce ·
British intelligence was hollowed out from within for nearly thirty years, with a senior officer's betrayal remaining unproven until his flight to the Soviet Union in 1963.
By Vera Kessler ·
British intelligence officers and American allies were left exposed as a senior SIS operative fed secrets to Moscow from 1934 until his eventual flight in 1963.
By Constance Bell ·
He climbed the ranks of the Secret Intelligence Service while serving Moscow, a betrayal that remained unproven until 1963 when he finally fled to the Soviet Union.
By Constance Bell ·
Western intelligence officers were fed to the Soviets while a senior SIS operative hid in plain sight, his true loyalty kept from MI5 for twelve years after his peers fled.
By Constance Bell ·
He betrayed his colleagues and his country for thirty years before a partial confession allowed him to vanish into the Soviet Union.
By Harlan Pryce ·
Western assets were exposed and intelligence networks burned by a mole who rose to a senior post in Washington before fleeing to the USSR in 1963.
By Constance Bell ·