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WhatsApp, Signal, untraceable security risk
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this post was submitted on 19 Dec 2025
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Cybersecurity
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You can mitigate (but not entirely stop the technique) by WhatsApp Settings, select Privacy, go to Advanced, and enable “Block unknown account messages.” and also disabling read receipts.
You could also uninstall the app and see if your battery usage reduces, or check in your phone's battery usage statistics for WhatsApp using a lot of it.