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.
I do agree that, to a certain point, this shouldn’t be possible in this volume, but also, when you add a phone number as a contact, it would show up on WhatsApp as long as the profile has public data. Anyone that saves every possible phone number would have the same result (although this could take ages, thus the issue with the scraping)
I do agree that, to a certain point, this shouldn’t be possible in this volume, but also, when you add a phone number as a contact, it would show up on WhatsApp as long as the profile has public data. Anyone that saves every possible phone number would have the same result (although this could take ages, thus the issue with the scraping)
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