Hackers Can Manipulate Media Files Transferred via WhatsApp, Telegram

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Hackers can manipulate media files transferred by users through the WhatsApp and Telegram messaging applications due to the way the Android operating system allows apps to access files in external storage. To minimize cyber risks it is essential that every user understand that they are both an asset and a potential security liability.

The attack works against WhatsApp in its default configuration and against Telegram if the user has enabled the “Save to gallery” option. Android Q will introduce a privacy feature called Scoped Storage, which changes how applications can access files on the device’s external storage.

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