The probe, announced via podcast, has been widely criticized.

The Trump administration is facing heavy blowback for using Signal, a messaging app, to discuss sensitive military plans. On March 24, officials’ usage of the app was revealed after The Atlantic ...

Germany's domestic intelligence agency is warning of suspected state-sponsored threat actors targeting high-ranking ...

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

As ads for secure messenger Signal go, this one is hard to beat. Trump’s senior officials using the encrypted app to discuss America’s attack on Yemen — whether or not war plans were actually shared — ...

Republican prosecutor Brad Miller denied that he has Signal on his phone, but Phoenix New Times has seen the messages.

The president of Signal defended the security of the encrypted messaging app on Tuesday after a bombshell report revealed top Trump administration officials used the app to discuss airstrike plans ...

If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its robust ...

Signal, for most normal people, for confidential, for conversations and phone calls that are confidential, that are just private -- we call it private in public life. Signal is the best you can do.