Texting war plans to a journalist was an astonishing security breach. The emojis were bad, too.

National security advisor Michael Waltz commented on the Signal text chain leak during an appearance on "The Ingraham Angle." ...

It is indicative of this broader, cavalier, almost nihilist attitude the administration has,” Tufts political science ...

Officials who take national security and the safety of our service members serious must hold accountable those who recklessly ...

President Trump expressed confidence in Mike Waltz and downplayed the incident, saying the situation was “the only glitch in ...

Democratic lawmakers heaped criticism on the administration for handling highly sensitive information carelessly.

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

Sen. Lindsey Graham (R-SC) has thrown his support behind President Trump's national security team in the wake of top federal ...

National security advisor Mike Waltz's job is not in jeopardy after The Atlantic's reported a security breach on a Signal text chain with Cabinet officials.

The new cross-agency initiative emerges months after the disbanding of previous cybersecurity advisory bodies.

President Trump stood by national security adviser Mike Waltz on Tuesday, one day after he was revealed to have looped in the Atlantic magazine’s editor in chief on deliberations about ...

U.S. Sen. Lindsey Graham reaffirmed his support Wednesday for President Donald Trump’s national security team after a ...