Key Facts

• Nvidia said its board had no reason to believe national security or company secrets were compromised in allegations involving Jensen Huang.
• Huang acknowledged being unfaithful to his wife, but the account does not establish that he had a relationship with a Chinese spy.
• The identity and role of Alice Huang, a former executive at Singapore-based Megaspeed, remain under investigation; Beijing has rejected the allegations as smears.
• U.S. and U.K. authorities announced the arrest of a 41-year-old American lieutenant colonel on suspicion of spying for Russia at a NATO facility in southwestern England.
• Germany arrested former foreign intelligence chief August Hanning on suspicion of treasonous espionage; a possible Azerbaijani connection was reported, and Azerbaijan denied it.
• The U.S. Justice Department charged an OpenAI engineer with placing a recording device in an executive conference room; he has pleaded not guilty.
• MI5 chief Ken McCallum said the agency devotes more resources to state threats than during the Cold War, and that its caseload has quadrupled in a decade.