Signal, the most secure widely available messaging app, has become a go-to resource. Its shortcomings are why its use by Pete ...

The revelation that President Donald Trump's most senior national security officials posted the specifics of a military ...

The country should thank The Atlantic’s editor in chief, Jeff Goldberg, for showing that the entire top echelon of the Trump ...

A stunning lapse in national security took center stage on Capitol Hill today as top intelligence officials faced tough ...

Top national security officials for US President Donald Trump, including his defence secretary, texted war plans for upcoming ...

Donald Trump refused to condemn his national security adviser, Mike Waltz, after the politician admitted "full responsibility ...

Signal, like many other messaging apps, allows its users to set messages to disappear after a set period of time.

The California Democrat named the administration officials who should quit or be fired after accidentally revealing highly ...