National Security Advisor Michael Waltz and a senior aide used personal Gmail accounts for government communications, ...

The Journal obtained the following leaked Signal messages between Ismail Barhoum, former Hamas official in Gaza, and two ...

A dozen current and former officials confirmed that the encrypted messaging app is used across various agencies — despite ...

Democratic leaders of key House committees are reigniting calling for National Security Advisor Mike Waltz to step down.

While you may think your text messages are secure and private, settings on your phone may make you vulnerable to an attack.

Decide which reporter you want to leak to. You may already have someone in mind; if not, read around to see which reporters ...

The Mint has released a $1 coin for the centenary of the Royal Australian Corps of Signals, complete with a secret encoded ...

Some NATO diplomats privately question whether their placating strategy towards Trump will be enough to fully avert an ...

The offer was sent in recent days to employees at the General Services Administration and the Departments of Energy, ...

Ukraine's victory in the Battle of Kyiv in the spring of 2022 was not only a significant military success but also a powerful ...

Rubio is at a meeting of NATO foreign ministers at which many are hoping he will shed light on U.S. security plans in Europe.

Bluesky was opening up to the public and was known as one of the many X competitors that emerged after Elon Musk acquired the ...