Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

The Signalgate scandal that enveloped US Secretary of Defense Pete Hegseth in March appears to be symptomatic of a wider lax attitude towards the use of non-approved messaging apps by officials and employees, a Senate Committee has concluded.

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for end-to-end encryption, often used for private communication.

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 editor Jeffrey Goldberg published a story titled "The Trump ...

Democrats stretching back nearly a decade have touted the use of the encrypted messaging app Signal, long before the Trump administration came under the national spotlight for using the app to discuss a plan of attack on terrorists in Yemen. "We have all ...

New York (CNN) — 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 privacy features. But the Atlantic ...

The encrypted messaging app Signal is receiving renewed attention after high-level members of President Donald Trump’s administration inadvertently added a journalist to a group chat discussing military action in Yemen. Questions about the security of ...

The security of U.S. government officials’ communications has come under the spotlight again after a modified Signal app used to archive data from third-party messaging apps was hacked in less than 30 minutes. The app in question is a cloned version of ...

SIM binding is a process where a messaging app verifies that the registered SIM card remains active in your device. If the SIM is removed, replaced, or deactivated, the app will stop functioning.