“We make changes to the CheckPermission() function of ActicityManagerService, and write a lightweight defense app such that whenever the camera is being called by apps with CAMERA permission, the defense app will be informed along with the caller’s Application Package Name.[…]There are three parts of warnings in our defense scheme. First, an alert dialog including the name of the suspicious app is displayed. In case the warning message cannot be seen immediately by the user (e.g., the user is not using the phone), the defense app will also make sound and vibration to warn the user of spy camera attacks. Besides, the detailed activity pattern of suspected apps are logged so that the user can check back.” -- from "Security Threats to Mobile Multimedia Applications: Camera-based Attacks on Mobile Phones", IEEE Communications Magazine, March 2014."
|iPhones also are at risk|
“Unfortunately, it's not uploaded online. To support the defense scheme, I modified the Android system and generate new image files. This means if someone want to use the defense function, he/she must flash the phone. As a result, all the installed stuff may get lost. I think people wouldn't like that to happen. Besides, the Android version I used for testing is 4.1-4.3, while the most recent release is 5.0.” – Longfei Wu, reply to email.As "the Internet of Things" connects your washing machine and your car to your home thermostat and puts them all online along with your coffee-maker and alarm clock, all of them connected to the television box that never shuts off and always listens, you will be increasingly exposed to harm.
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