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An Error in WhatsApp Allows you to Recover Deleted Messages

The ability to delete messages on WhatsApp (at least when done voluntarily) is one of the functions that have received the most attention from developers.

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The ability to delete messages on WhatsApp (at least when done voluntarily) is one of the functions that have received the most attention from developers. The possibility of removing a message that we do not want to be there is very useful, but it seems that it is not something infallible. An error in the backup system allows recovering messages that were supposedly deleted.

“Messages deleted from WhatsApp are not completely deleted from the server, a condition that allows some to be recovered through a newly discovered bug.”

The bug allows a user to recover the received messages deleted through the backup copies. But it is not as easy as deleting the chat and restoring it through a backup, but the bug needs specific conditions. The error occurs when the default backup copies of WhatsApp are made, which are at two in the morning.

If a user uninstalls and reinstalls the messaging application and chooses to load the latest backup (taking into account that it has to be done at two in the morning), you can recover the last messages deleted. The error takes advantage of a feature that has sparked controversy among supporters of privacy: when you delete a message on WhatsApp, it is not deleted at all.

So far, WhatsApp has not communicated anything about it, but presumably the company is already working on fixing the bug, especially taking into account that this affects privacy, one of the most sensitive issues for technology.

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