The federal office in charge of ensuring cybersecurity at all levels of the government cited the use of encrypted messaging app Signal as a "best practice" for "highly targeted" government officials, ...

When White House National Security Adviser Mike Waltz created a group chat using Signal to discuss planning for airstrikes on Iran-backed Houthi rebels in Yemen, it wasn’t the first time Trump ...

A popular messaging app called Signal was recently the preferred communications platform for top officials in the Trump administration to discuss secret war plans. But the use of the app, widely ...

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 former public affairs officer for a state agency that helps people with disabilities find employment filed a whistleblower lawsuit Tuesday in Fulton Superior Court, alleging she was fired for ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...

Russian APTs send users fake Signal group chat invites with specifically crafted links or QR codes that instead authorize rogue devices to their accounts in order to spy on future communications ...

"We are very pleased with this result," Elizabeth Babbitt, a partner at Taft Stettinius & Hollister, said on behalf of the Chicago Transit Authority. "This case serves as a reminder that the rules of ...