A declassified US intelligence memo warns that Iranian plots to kill American officials in the Middle East have sharply increased, with some plans now at an advanced stage.
German police have arrested August Hanning, who used to run Germany's foreign intelligence agency, on suspicion of treason and spying.
A court in Prague is about to hold the first trial under a new Czech law that makes it a crime to carry out illegal activity on behalf of a foreign power.
The New York Times reports that CIA Director John Ratcliffe, during a secret trip to Moscow, told Russian officials privately that Russia's war effort in Ukraine looks bleak.
CIA Director John Ratcliffe traveled to Moscow on Tuesday, according to two US media outlets, in what would be his first known visit to Russia since becoming America's top spy chief.
A Russian military intelligence officer spent 17 months working undetected out of a Tokyo office disguised as an airline employee, buying parts that Ukrainian officials say are now found in about 90% of Russia's missiles and drones.