WhatsApp: Researchers create phone book with all 3.5 billion users

[Redaktion]

Researchers from Vienna have discovered a massive security vulnerability in WhatsApp, enabling them to identify 3.5 billion users. The lack of query limits allowed for the large-scale collection of usernames, profile pictures and status messages.

https://www.notebookcheck.net/WhatsApp-Researchers-create-phone-book-with-all-3-5-billion-users.1203333.0.html