Experts still trying to assess scope of months-long operation that slipped code into software update used on servers across the globe and in all 5 branches of US military

Cyberattack also targets Commerce Departments telecommunication division; sources say officials concerned similar method may have been used to breach other government agencies

Pioneering Jewish economist was the first woman to head the Federal Reserve, has worked with 2 other US presidents, though Trump gave her a miss

Pioneering economist is respected by both sides of aisle, from Trump to Elizabeth Warren, and would be first woman to serve in key post

In apparent message to Biden administration, US secretary of state says lifting sanctions would 'weaken new partnerships for peace in the region' and only benefit Tehran

New measures hit Gebran Bassil, a lawmaker who leads the largest bloc in parliament and a son-in-law of President Michel Aoun, accusing him of corruption

Trump administration ups 'maximum pressure' campaign days ahead of vote, announcing plan to use proceeds from sale of fuel confiscated from Tehran tankers to benefit terror victims

Treasury Department designates 3 state entities under a counterterrorism authority, making it more difficult for a potential Biden administration to reverse move

Treasury Department says penalties are for providing parts and logistics services to Mahan Air, which is under counterterrorism sanctions for support of Revolutionary Guards

Treasury Department says Shanghai Saint Logistics Limited provided services to the blacklisted airliner; Pompeo: 'Anyone doing business with Mahan Air runs the risk of sanctions'