Posté par: igor51 le novembre 17, 2015, 00:00:30
What do you think about an ultrasonic "data cookie" embedded in TV ads?
The idea is that your phone can listen out for it and call home to report that you saw the commercial.
Source: BadBIOS is back - this time on your TV (http://feedproxy.google.com/~r/nakedsecurity/~3/ina8tYvrkII/)