Over the weekend, rumors circulated that Signal, one of the most trusted encrypted chat apps on the web, had a pretty bad zero-day vulnerability. The claims, which have now been all but debunked, swiftly caused a panic in the infosec community.
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The Cult of the Dead Cow, one of the most influential hacktivist groups on the web, announced plans Wednesday to launch an end-to-end encrypted protocol that can be used for app development.
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Phone numbers are a finite resource. So when one goes out of a service, there’s a good chance telecom companies will reuse it for a new phone plan. That can be a big problem on WhatsApp. In some cases, if you get your hands on a phone number that was tied to an existing WhatsApp account, you can hijack it and assume…