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Malicious apps can take pictures using your phone - without you knowing

Malicious apps can take pictures using your phone - without you knowing
Photo courtesy of Shutterstock

This is scary, and really needs to stop now.

As part of a university project, blogger Szymon Sidor was trying to hack into cameras on PCs without turning on the indicator light - already a scary situation I've warned you about.

Sidor then turned his attention to trying to hack an Android phone so it would take photos without its owner knowing.

Every attempt he made failed in one way or the other - the phone wouldn't let him do it, or it would show a big preview screen, which is certainly a tipoff.

Finally, Sidor hacked the preview screen itself, making it 1 pixel by 1 pixel - about the size of the period at the end of this sentence.

The result was amazing and scary at the same time - the pixel is virtually impossible to spot on Nexus 5 screen (even when you know where to look)! Also it turned out that even if you turn the screen completely off, you can still take photos, as long as the pixel is still there.

He caught some covert video here.

Next page: Find out what you can do to prevent this hack
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