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

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

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

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

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

In a continuation of Signalgate, Hegsgeth came under scrutiny again last month, when the Washington Post reported that he not ...

The communications app used by U.S. President Donald Trump's former national security adviser, Mike Waltz, says it is ...

Sen. Tammy Duckworth (D-Ill.) said former national security adviser Mike Waltz will face a “brutal, brutal” confirmation ...

A messaging service used by former National Security Advisor Mike Waltz has temporarily shut down while the company ...

The Washington Post reported that Donald Trump soured on Waltz over Waltz's support for an Israeli attack on Iran.

Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to President Trump, says former adviser John Bolton.

A clone of the messaging app Signal, which was used by since-ousted national security advisor Mike Waltz, has been hacked.