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

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.

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

Signal is considered a secure alternative to WhatsApp. Following warnings about Russian hackers from Dutch intelligence services, the messenger responds and provides tips on how users can protect ...

The messaging app Signal made news in March after a handful of White House officials, including Vice President JD Vance, used the app to communicate with each other (and, inadvertently, a journalist) ...

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

Russian state-sponsored hackers have been linked to an ongoing Signal and WhatsApp phishing campaign targeting government officials, military personnel, and journalists to gain access to sensitive ...

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 ...

The Pentagon's watchdog found that Defense Secretary Pete Hegseth put U.S. personnel and their mission at risk when he used the Signal messaging app to convey sensitive information about a military ...