Director of National Intelligence Tulsi Gabbard testified to House Intelligence Committee members Wednesday that encrypted ...

Signal’s convenience and the lack of clear agency guidelines makes the commercial app a popular choice for government ...

The claims spread after members of President Donald Trump's White House accidentally added The Atlantic's editor-in-chief to ...

A Biden-era Cybersecurity and Infrastructure Security Agency (CISA) best guidance document shows highly-targeted government ...

The guidance “strongly urges” senior national security officials to use the app for communication, but does not specify rules ...

Government and military officials handle classified discussions within SCIF rooms to safeguard top-secret information from ...

A Senate hearing spotlighted the defense secretary’s decision to share sensitive information on a messenger app generally not ...

The Trump administration's use of a popular app to discuss sensitive military plans is raising questions about security and ...

The Signal app on a smartphone. Matthias Balk/Picture Alliance— Correspondent The Trump administration is facing heavy ...

As Trump Cabinet members sent texts on Signal, one of them, Steve Witkoff, was in Russia, but the White House says he didn't ...

While apps like Signal promise privacy, they often skirt open records laws meant to increase transparency around government ...