[talk] Fine I put tape over my webcam but now what

[Mark Saad]

Ok
  So here is a good read from the land of tinfoil hats and hacking  air gapped openbsd laptops via sound.


http://arstechnica.com/security/2016/11/how-to-block-the-ultrasonic-signals-you-didnt-know-were-tracking-you/

So the tldr parts , ad tracking via ultrasound beacons . Imagine you install the wallmart app to get the 25% off coupon but it's tracking you via ultrasound beacons. 

Interesting non the less .


---
Mark Saad | mark.saad at ymail.com
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