> WhatsApp API flaw let researchers scrape 3.5 billion accounts

[SOURCE] BleepingComputer [AUTHOR: Lawrence Abrams] [DATE: 22/11/2025 18:53] [LANGUAGE: EN]

Researchers compiled a list of 3.5 billion WhatsApp mobile phone numbers and associated personal information by abusing a contact-discovery API that lacked rate limiting. [...]

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