Your Devices Will Soon Be Listening to You(huffingtonpost.ca)
huffingtonpost.ca
Your Devices Will Soon Be Listening to You
http://www.huffingtonpost.ca/kris-constable/your-device-is-listening-_b_7657186.html
http://www.huffingtonpost.ca/kris-constable/your-device-is-listening-_b_7657186.html
When i applied to the usaf cyber command in 2008, i learned that all cell phones have a maintenance mode that enables the carrier to remotely listen without the user's knowledge. bfor that reason one cannot bring them into secure areas.
this has also been demonstrated at black hat.