#metasecurity

WhatsApp Flaw Exposed Phone Numbers And Photos Of 3.5 Billion Users, Say Researchers

A significant privacy issue in WhatsApp has come to light after researchers revealed that a long-standing flaw exposed the phone numbers and profile photos of nearly 3.5 billion users worldwide. The discovery was made by a team from the University of Vienna, who found that WhatsApp’s contact-discovery system lacked proper rate limiting, allowing automated tools to check millions of phone numbers per hour. Through this gap, researchers were able to confirm whether a number was registered on

Internet & Technology

19 Nov 2025 09:07 AM 210 views

WhatsApp Flaw Exposed Phone Numbers And Photos Of 3.5 Billion Users, Say Researchers

A significant privacy issue in WhatsApp has come to light after researchers revealed that a long-standing flaw exposed the phone numbers and profile photos of nearly 3.5 billion users worldwide. The discovery was made by a team from the University of Vienna, who found that WhatsApp’s contact-discovery system lacked proper rate limiting, allowing automated tools to check millions of phone numbers per hour. Through this gap, researchers were able to confirm whether a number was registered on

Internet & Technology

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#metasecurity

WhatsApp Flaw Exposed Phone Numbers And Photos Of 3.5 Billion Users, Say Researchers

WhatsApp Flaw Exposed Phone Numbers And Photos Of 3.5 Billion Users, Say Researchers

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#metasecurity

WhatsApp Flaw Exposed Phone Numbers And Photos Of 3.5 Billion Users, Say Researchers

WhatsApp Flaw Exposed Phone Numbers And Photos Of 3.5 Billion Users, Say Researchers

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Extreme heat warning issued in New Jersey through Wednesday

Extreme heat warning issued in New Jersey through Wednesday