RESEARCHER: Software can turn headphones into a MICROPHONE and let hackers listen in from across a room

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A new experiment demonstrates how easily hackers can turn your headphones into a microphone to unknowingly eavesdrop in background.

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Researcher designed a code called ‘Speake(a)r, which ‘retasks’ a computer’s outputs to inputs – allowing them to record audio even when the headphones were in the output-only jack.

The team used a pair of headphones to capture vibrations in the air and converted them to electromagnetic signals to record audio from 20 feet across a room.

HOW DID THEY DO IT?

Ben Guiron University demonstrates how most PCs and laptops today are susceptible to this type of attack.

The team designed a code called  ‘Speake(a)r that users your headphones to capture vibrations in the air and converts them into electromagnetic signals that capture audio.

The team accessed a feature in the computer with the malware – RealTek audio codec chips, which a common feature in most computers.

This let them get inside the computer and reverse its output function to input, allowing them to eaves drop without ever behind spotted.

Those who are sceptical about hackers attacking their systems and monitoring them will go through great lengths to keep them at bay.

One example is Facebook CEO Mark Zuckerberg, who placed a piece of tape over his computer’s camera because he’s sure hackers are watching him.

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But now we may soon see Zuckerberg forgo headphones all together now that it’s possible for cybertheives to use them against him.

‘The fact that headphones, earphones and speakers are physically built like microphones and that an audio port’s role in the PC can be reprogrammed from output to input creates a vulnerability that can be abused by hackers,’ says Prof. Yuval Elovici, director of the BGU Cyber Security Research Center (CSRC) and member of BGU’s Department of Information Systems Engineering.

Andy Greenberg with Wired explains that the team accessed a feature in the computer using the experimental malware – RealTek audio codec chips, which is a  common feature in most computers and latptops.

This let them get inside the computer and reverse its output function to input, allowing them to eaves drop without ever behind spotted.

Researches told Greenberg that this type of hack is so common that the attack works on almost every desktop no matter if it is Windows or MacOS – it is also possible to carry out on laptops.

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During their experiment, the team used a pair of Sennheiser headphones and found they could capture audio in a room that’s source was 20 feet away from the computer – even though they had completely removed the speakers.

The headphones had been transformed into the computer’s speakers and converted ‘the vibrations in air into electromagnetic signals to clearly capture audio across the room,’ reports Greenberg.

Researchers also found it was possible to compress the recording and send it over the internet.

‘This is the reason people like Facebook Chairman and Chief Executive Officer Mark Zuckerberg tape up their mic and webcam,’ says Mordechai Guri, lead researcher and head of Research and Development at the CSRC.

‘You might tape the mic, but would be unlikely to tape the headphones or speakers.’

ZUCKERBERG COVERS UP HIS CAMERA

Facebook CEO Mark Zuckerberg appears to be concerned about being spied on.

A photo that he shared to help celebrate Instagram’s 500 million monthly active users shows the camera and audio jack on the billionaire’s Macbook covered with pieces of tape.

In the photo posted, Zuckerberg is sporting a wide smile and his signature gray T-shirt and dark denim jeans.

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He’s holding a life-sized Instagram frame that reads: ‘Thanks to everyone in our community for helping us reach this milestone!’

After posting the photo online, Chris Olson was the first to point out on Twitter that tape is covering his camera and audio jack on his Macbook at his desk.

It’s rumored that skilled hackers are able to take over the front facing cameras on laptops when they’re not covered up.

It appears as though Zuckerberg, who is worth $35.7billion, is trying to prevent that from happening by placing a piece of tape over his camera, making the webcam useless.

Zuckerberg has been previously photographed at the same desk.

Roughly nine months ago while on a tour, he showed off the same desk that’s complete with the same items on it then as it is now, according to Gizmodo.

This isn’t the first time businessman was concerned about his security and privacy.

Back in February he was photographed out on a casual jog while on a trip in Berlin with at least five security guards running alongside him.

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