Austrian researchers used a WhatsApp contact-lookup flaw to map 3.5 billion phone numbers, revealing how basic metadata can build a directory of accounts.

A STUDY has revealed a major vulnerability in WhatsApp that can expose 3.5billion accounts. Cybersecurity experts have warned ...

Researchers in Austria used a flaw in WhatsApp to gather the personal data of more than 3.5 billion users in what they ...

A new research has shed light on a massive WhatsApp enumeration flaw that allowed them access to 3.5 billion users' phone ...

The infostealer specifically targets Brazilian Portuguese speakers and combines banking malware, a worm, and some uniquely Brazilian quirks.

Vienna researchers retrieved all WhatsApp numbers. The 3.5 billion profiles represent the largest data leak in history—and it's worse than you might think.

IT-Security Researchers from the University of Vienna and SBA Research identified and responsibly disclosed a large-scale privacy weakness in WhatsApp's contact discovery mechanism that allowed the ...

Security researchers at Palo Alto Networks’ Unit 42 have uncovered a stealthy spyware campaign, which used WhatsApp images to ...

For decades, Iranians fleeing persecution have found protection in the United States. But this fall, the Trump administration ...

The operation, uncovered by Palo Alto Networks’ Unit 42, hid a commercial-grade spyware called Landfall inside seemingly ...