WhatsApp's mass adoption stems in part from how easy it is to find a new contact on the messaging platform: Add someone's phone number, and WhatsApp instantly shows whether they're on the service, and ...

A dangerous WhatsApp zero-day attack in the UAE can compromise smartphones through a single call, putting bank accounts and ...

WhatsApp has patched a security vulnerability in its iOS and macOS messaging clients that was exploited in targeted zero-day attacks. The company says this zero-click flaw (tracked as CVE-2025-55177) ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Twice every year, some of the best hackers on the planet get ...

Meta’s end-to-end encrypted messaging app is used by billions of people. Here’s how to make sure you’re one of the most locked-down ones out there. Meanwhile, in November, Austrian researchers plugged ...

Over the past year, Meta has blanketed TV screens around the world with commercials touting the privacy of Whatsapp, its encrypted messenger with a monthly user base of 3 billion people. “It’s private ...

In a lawsuit filed Monday, the former head of security for the messaging app accused the social media company of putting billions of users at risk. Meta pushed back on his claim. Attaullah Baig tried ...