US Defence Secretary Pete Hegseth is facing a fresh legal trouble after Pentagon school students have filed a lawsuit against ...

Sue Gordon, former principal deputy national intelligence director, said the Trump administration needs to deal with any "persistent risk" to communications following the Signal chat leak.

Lawmakers and legal experts claim the Yemen Signal group chat ‘blatantly violated security regulations designed to prevent exactly this kind of leak’ ...

The Signal group chat leak continues to make headlines ... It brings into question confidence in our military leaders and there have been calls for resignations. What are the implications of this leak ...

While defending Defense Secretary Pete Hegseth and national security adviser Mike Waltz for their roles in the Signal leak scandal, Trump took aim at the encrypted service without specifying why he ...

Did Defense Secretary Pete Hegseth’s messages detailing planned U.S. airstrikes in Yemen constitute a classified war plan?

Nahal Toosi is POLITICO’s senior foreign affairs correspondent. She has reported on war, genocide and political chaos in a career that has taken her around the world. Her reported column, Compass, ...

In a startling revelation, The Atlantic has published the complete tran of a Signal chat among senior U.S. national security officials concerning airstrikes in Yemen, inadvertently including the ...

Journalist added to Signal group chat with ... While the leaked details about the planned strikes did not necessarily compromise the mission, Newton said there were broader implications of ...

A major security breach in President Trump's administration revealed operational details of airstrikes against Yemeni Houthis via a leaked Signal chat. Top officials, including the defense ...

CIA Director John Ratcliffe, who was on the leaked Signal chat, defended the use of the platform during testimony before the Senate Intelligence Committee on Tuesday, claiming that he was told “ ...