The Former C.I.A. Officer Capitalizing On Europe’s Military Spending Boom

During a 24-hour swing through Copenhagen last month, Eric Slesinger met with engineers making maritime drones, developers of war-planning software and an adviser to NATO. He had recently visited London for a dinner with a senior British intelligence official and…

Israel’s Supreme Court Considers Netanyahu’s Attempt to Fire Spy Chief

Israel’s highest court began hearing a case on Tuesday over Prime Minister Benjamin Netanyahu’s decision to replace one of his top intelligence chiefs — a courtroom battle that could open the door to a constitutional crisis. The attempt to fire…

Netanyahu Names New Israel Spy Chief Despite Showdown With Court

Prime Minister Benjamin Netanyahu of Israel named a new chief of the domestic intelligence service on Monday, moving his government closer to a showdown with the Supreme Court, which temporarily suspended the dismissal of the current spy chief earlier this…

Key Takeaways From America’s Secret Military Partnership With Ukraine

The war in Ukraine is at an inflection point, with President Trump seeking rapprochement with the Russian leader, Vladimir V. Putin, and pressing for an end to the fighting. But for nearly three years before Mr. Trump’s return to power,…

Oleg Gordievsky, K.G.B. Officer Turned Double Agent, Dies at 86

Oleg Gordievsky, who was the top K.G.B. agent in London until he defected to the West in 1985 and revealed himself as a longtime double agent for British intelligence — making him one of the most highly placed Western spies…

A U.S. Investor Helped Build Russia’s Economy. He Was Jailed on Bogus Charges.

A foul cell in a Moscow detention center was about the last place an American businessman named Michael Calvey expected to find himself after spending 25 years building a flourishing venture capital firm in Russia that transformed some tech startups…

Russia Escalated Sabotage to Pressure U.S. and Allies on Ukraine, Study Says

Russia significantly stepped up its sabotage campaign over the past two years as it sought to pressure Europe and the United States to curb their support for Ukraine, according to a new study released on Tuesday. The report, by the…

Netanyahu Moves to Fire Israel’s Domestic Intelligence Chief

Prime Minister Benjamin Netanyahu said on Sunday that he was taking action to oust the director of the Shin Bet, Israel’s domestic intelligence agency, raising concerns among critics that he was seeking to undermine its independence. Mr. Netanyahu’s effort to…

3 Bulgarians Found Guilty of Spying for Russia in UK and Europe

Three Bulgarians have been found guilty of spying for Russia in Britain and across continental Europe as part of one of the largest Russian espionage rings ever uncovered by the British police. During a three-year period, the group, led by…