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

The recent national security breach involving a Signal group chat has raised concerns regarding the messaging app’s security.

Many are raising questions about how highly sensitive information is being handled by national security officials. This ...

The president of Signal defended the security of the encrypted messaging app on Tuesday after a bombshell report revealed top ...

House Foreign Affairs Committee ranking member Gregory Meeks called the Signal breach 'the most astonishing breach of our ...

Learn more about Signal, including whether the news about its use in a military intelligence breach impacts its effectiveness ...

Top Trump administration national security officials’ use of the messaging app Signal is raising new questions about the platform and how the administration is transmitting sensitive ...

The Pentagon has issued a stark warning against the use of the encrypted messaging app Signal, raising concerns over cybersecurity lapses at the highest levels of government. This advisory comes in ...

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

Beyond concerns about security, Signal and other similar apps may allow users to skirt open records laws. Without special ...

White House staffers have come under fire after allegedly using the app to discuss sensitive foreign policy plans.

US president defends key security official after journalist says he was added to group chat about air strikes.