Researches are going on that cyber criminals collect confidential information such as credit card numbers and Social Security numbers from low-frequency audio signals, such as human speech when users speak into or near a mobile device. Motion sensors are readily available in smartphones. It doesn't ask permission like a microphone for using it, when a new application is installed. It is the reason that makes motion sensors a prime tool for malicious activity.

Share your ideas regarding the security threats related with motion sensors?