Hackers Exploit WhatsApp & Signal Delivery Receipts to Spy on Users Without a Trace

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Exploitation of WhatsApp & Signal Flaw Enables User Tracking Hackers are exploiting a vulnerability known as 'Careless Whisper' in the delivery receipts of WhatsApp and Signal to track users without their knowledge. This flaw allows for real-time tracking via round-trip time (RTT) measurements, making it difficult for users to detect any unauthorized surveillance. 1 sources 45