Steal Data With Mic And Speaker

You know that you can steal any type of data from an infected computer ??
hahaha you think that's impossible ?? hmm but it's possible as you know that nothing is impossible, computer scientist's says that it is possible .
A German researcher at Fraunhofer Institute for Communication, Information Processing, and Ergonomics, says that this malware can transmit data using inaudible sounds.
It can steal your keystrokes or confidential data using nothing more just from a normal speaker and microphone even don't need internet connection.
They often suggest don't connect the systems which has sensitive data to Internet so that cyber criminals can't reach them.
But now, It can steal from audio sounds without network connection.  So what now?! Then, Let us remove the audio devices.
The researchers has described their idea in their paper entitled "On Covert Acoustical Mesh Networks in Air".  You can find the research paper here.

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confidential data

can transmit data using inaudible sounds.

Fraunhofer Institute for Communication, Information Processing, and Ergonomics, -