WhatsApp closes loophole that let researchers collect data on 3.5B accounts
Messaging giant WhatsApp has around three billion users in more than 180 countries. Researchers say they were able to identify around 3.5 billion registered WhatsApp accounts thanks to a flaw in the software. That higher number is possible because WhatsApp’s API returns all accounts registered to phone numbers, including inactive, recycled, or abandoned ones, not…
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