A magazine journalist’s account of being added to a group chat of U.S. national security officials coordinating plans for ...

The monumental slipup was a horrific omen for U.S. national security, whose weakest link is apparently a crew of Cabinet ...

Members of Congress are shocked and angry that sensitive attack plans against the Houthis were shared on a nonsecure network ...

A journalist’s account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes ...

Michael Waltz, the national security adviser under fire after The Atlantic reported that he included its editor on a Signal ...

Whether on purpose or inadvertent, disclosures of classified or sensitive information can cost troops their careers.

The Trump NSC’s accidental leak to The Atlantic should force a rethink of the body’s role in crafting American foreign policy.

Rep. Juan Ciscomani's bill aims to ease restrictions on CBP operations in Arizona’s protected wilderness areas.

The Trump administration's top intelligence officials face Congress for back-to-back hearings this week to testify about the threats facing the United States and what the government is doing to ...

National security leaders’ use of Signal to discuss plans for airstrikes in Yemen made for a contentious hearing Tuesday, as ...

President Donald Trump revealed a staffer with national security advisor Mike Waltz's office added the editor in chief of the ...