U.S. national-security leaders included me in a group chat about upcoming military strikes in Yemen. I didn’t think it could ...

Austria's DSN domestic intelligence agency said on Monday it had uncovered an extensive Russian disinformation campaign centred around a Bulgarian national accused of spying and disseminating false ...

Single Ukrainian raid ‘destroys four Russian helicopters’ in border region - Ukraine says its strike using US-provided ...

The ad hoc addition to the otherwise tightly controlled White House information environment could create blind spots and ...

Former national security officials reacted with shock and horror to revelations in The Atlantic that top members of President ...

The U.S. is hoping for a broader cease-fire between Moscow and Kyiv covering the Black Sea in negotiations starting in Saudi ...

After President Trump’s envoy Steve Witkoff raised hopes of “real progress” on a Black Sea ceasefire in Monday’s Ukraine peace talks between the United States and Russia, the Kremlin played down ...

A powerful cyberattack knocked out the online ticketing system for Ukraine's state railway service, causing long queues at stations on Monday in what Kyiv officials said looked like a Russian attempt ...

Conspiracy theories continue to swirl about former U.S. Attorney for the Eastern District of Virginia, Jessica Aber, who was ...

President Donald Trump continues to pursue his agenda, including a sweeping overhaul of the federal government, an ...

"My job now as defense secretary is to put Ukraine in the strongest possible position by continuing UK military aid and encouraging other nations to do more," John Healey said ...