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Defense Secretary Pete Hegseth is facing growing scrutiny over his use of the commercial messaging app Signal to discuss U.S. military operations, including operational details about strikes in Yemen.

The encryption protecting communications against criminal and nation-state snooping is under threat. As private industry and governments get closer to building useful quantum computers, the algorithms ...

Signal has released an updated desktop application for Windows 11 that includes a feature called Screen Security to prevent Microsoft's Recall from capturing screenshots of secure chats. Enabled by ...

'Signalgate' continues to rumble on, with even more of the Signal messages that were shared between Trump officials – and, inadvertently, The Atlantic – revealed today. But how exactly did this group ...