Ukraine's security agency said it thwarted a Russian spy network from collecting intelligence on aviation facilities for ...

A UK-based spy ring had connections in the “highest echelons” of the Bulgarian government, a court has heard. Katrin Ivanova, ...

This Wednesday, January 22, the British Ministry of Defense declared that the “Russian spy ship” Yantar had been monitored ...

The British navy said Wednesday that is ramping up measures to protect its waters from secret Russian operations after ...

A closer look at recently declassified MI5 files on the intelligence failure surrounding the five "Cambrdige spies" ...

Ukraine's Security Service (SBU) reported on Jan. 28 that it had dismantled a Russian spy network tasked with gathering ...

A Royal Navy submarine was authorized to surface close to a Russian ship "strictly as a deterrent measure," British Defense ...

The UK authorized the British submarine to surface closely to the Russian vessel to warn it off, British defense secretary ...

The British defense secretary told Parliament that the Yantar, which he described as a Russian spy ship, had come near ...

Ministers have repeated warnings of security threats from Russia after the Royal Navy was deployed to shadow a suspected ...

The Royal Navy has been monitoring a Russian spy ship after it was spotted around UK waters earlier this week, the defence ...