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 ...

As the White House comes under fire for allegedly using Signal to discuss foreign policy plans, the encrypted messaging ...

The Trump administration has offered different, and at times contradictory, explanations for how Jeffrey Goldberg got ...

Donald Trump's most important security advisers used Signal to discuss an imminent military strike. Now, reporting by DER ...

Editor-in-chief of The Atlantic, Jeffrey Goldberg, wrote Monday that there were 18 people in the group chat discussing the ...

A magazine journalist’s account of being added to a group chat of U.S. national security officials coordinating plans for ...

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

States and cities across the country are grappling with how to stay on the right side of government transparency laws as the ...