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A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers

A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers

November 18, 2025/in General News

By plugging tens of billions of phone numbers into WhatsApp’s contact discovery tool, researchers found “the most extensive exposure of phone numbers” ever—along with profile photos and more.

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https://www.backbox.org/wp-content/uploads/2018/09/website_backbox_text_black.png 0 0 admin https://www.backbox.org/wp-content/uploads/2018/09/website_backbox_text_black.png admin2025-11-18 14:06:462025-11-18 14:06:46A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers
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