In what could have been one of the largest data leaks in history, a massive security flaw in whatsapp has just exposed 3.5 billion phone numbers — effectively encompassing every user of the. Whatsapp’s biggest privacy disaster ever 3.5 billion profiles exposed researchers were able to access the profile data of all whatsapp users—and it reveals way too much Researchers from austria have revealed a significant security vulnerability within whatsapp, leading to the exposure of approximately 3.5 billion phone numbers By leveraging the app’s contact discovery tool, which enables users to find contacts rapidly, the researchers managed to enumerate phone numbers, revealing not just the numbers but, in many instances, associated profile photos and. 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. In collaboration with the researchers, meta has since addressed and mitigated the issue.
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