Signal, the secure messaging app, warned that "government officials and journalists" had experienced their accounts being ...

Signal says its systems are secure but it is taking reports of targeted attempts to hack some officials "very seriously".

Russia is “engaged in a large-scale global attempt” to take over Signal and WhatsApp accounts, two Dutch intelligence agencies said Monday.

Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

The messaging app that President Donald Trump’s national security advisor used during a recent Cabinet meeting suspended its services after a reported hack. TeleMessage, the app in question, is a ...

As national security services warn that Russian hackers are currently engaged in new global attacks against WhatsApp and Signal users, here’s how to stay safe.

GREENVILLE, N.C. (WITN) - Many are raising questions about how highly sensitive information is being handled by national security officials. This follows Monday’s reports that a magazine journalist ...

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A few weeks ago we witnessed an incident where military leaders inadvertently included a reporter in what was supposed to be a closed, secure communication channel, all due to the use of the Signal ...