The Kremlin's espionage offensive in Europe came to the surface on May 24 after a Portuguese spy was arrested in Rome for allegedly passing NATO secrets to a Russian intelligence officer. The supposed double agent, identified by the local media as Frederico Carvalhão, is a member of the Potugal's SIS intelligence service, the country’s equivalent of MI5, responsible for internal security and counter-terrorism.
The Telegraph: Portuguese spy caught passing ‘NATO secrets’ to Russian handler in Rome
This picture shows a general view of the NATO Foreign ministers meeting at the NATO headquarters in Brussels on May 20, 2016.