MI5 releases new information about Soviet ‘Portland Spy Ring’

 

Files released on Monday by the British government reveal new evidence about one of the most prolific Soviet spy rings that operated in the West after World War II, which became known as the Portland Spy Ring. Some of the members of the Portland Spy Ring were Soviet operatives who, at the time of their arrest, posed as citizens of third countries. All were non-official-cover intelligence officers, or NOCs, as they are known in Western intelligence parlance. Their Soviet —and nowadays Russian— equivalents are known as illegals. NOCs are high-level principal agents or officers of an intelligence agency, who operate without official connection to the authorities of the country that employs them. They often pose as business executives, students, academics, journalists, or non-profit agency workers. Unlike official-cover officers, who are protected by diplomatic immunity, NOCs have no such protection. If arrested by authorities of their host country, they can be tried and convicted for engaging in espionage. Continue reading