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 ...

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 — ...

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

The Trump administration’s sharing of sensitive military information on Signal has shocked allies, while further eroding trans-Atlantic trust thanks to group chat messages from top U.S. officials ...

March 25 (Reuters) - Top Trump administration officials used messaging app Signal to share war plans and mistakenly included a journalist in the encrypted chat, spurring calls by Democratic lawmakers ...

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 ...

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...

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.