What does a leak of 3.5B WhatsApp accounts show?

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What does a leak of 3.5B WhatsApp accounts show? The risks of centralization can no longer be denied: “likely the largest data leak of all time.”

About 1B profile pictures with a human face: a great source that could be used by your favorite adversary, linking face to phone number and vice versa.

https://lnkd.in/eZNzXCtH

heise online 3.5 Billion Accounts: Complete WhatsApp Directory Retrieved and Evaluated Vienna researchers retrieved all WhatsApp numbers. The 3.5 billion profiles represent the largest data leak in history—and it

First published on LinkedIn. The shortened link in the message points to 3.5 Billion Accounts: Complete WhatsApp Directory Retrieved and Evaluated at heise online; the day this was posted is not recorded, so the date above is the day that article was published.