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 ...

Signal is a messaging app that uses end-to-end encryption to keep your messages private. When you send a message on Signal, the only people who can see it are the recipients. You can use the Signal ...

Rahul Naskar has years of experience writing news and features related to Android, phones, and apps. Outside the tech world, he follows global events and developments shaping the world of geopolitics.

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Serious national security concerns have been brought to the forefront this week — and they’re linked to a secure messaging app called Signal. White House staffers have come under fire after allegedly ...

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