This method is perhaps the most appealing of them all. In plain words, Whatsapp doesn’t realize what has been actually received until it is too late. However, the opening is the first step here and only then a message is validated. It means that an app won’t be aware of the message or a file which is sent to a device until it validates it.

Telegram, Whatsapp, and a few other apps use the same type of encryption. A bit more detailed explanation is required here. In other words, the app will literally allow access of malware into a device. It directly allows to the users to open, view and store a photo or a video.

In essence, Whatsapp doesn’t check the files for malware.

The same applies to videos and documents, by the way.

The explanation lies in the process how both of these apps treat media files. Within a matter of seconds, you can have a complete control over Whatsapp or Telegram, depending on which app you targeted. Once a user opens that photo, the code will infect the device, allowing you a complete access. In order to complete it, you will have to insert a malicious code into a photo.

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