Top national security officials — in the White House, the Pentagon and the State Department — couldn’t provide answers.

The messaging app TeleMessage recently announced that it was suspending its services after being hacked, which caused concern ...

Secretary Rubio’s new role as national security adviser may be unsustainable, according to foreign policy experts.

A hacker breached TeleMessage, a government-approved messaging app used by Trump administration officials, exposing archived ...

Roughly a week after Donald Trump started his second term as president, the U.S. military issued an order to three freight ...

Hegseth ordered the abrupt cancellation of weapons flights to Ukraine in February without Trump’s knowledge and blindsiding top national security officials.

The suspension reportedly affected 11 shipments of artillery shells and weapons from Dover Air Force Base and a U.S. base in ...

The ability to navigate power dynamics in the White House and sort through competing policy visions is essential.

President Donald Trump has ousted National Security Adviser Mike Waltz and announced that he will nominate him as the next ...

Smarsh, the Oregon-based owner of TeleMessage, said Monday it was “investigating a potential security incident” and suspended ...

The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were ...

In his recent case for why Donald Trump recaptures a cool factor not seen since (yes) Bill Clinton, a comedian inadvertently ...