A survey paper on vulnerabilities in android OS and security of android devices

The amount of malicious mobile application targeting Android based smartphones has increase rapidly. In addition, these malicious apps are capable of downloading modules from servers which are run by malicious users, meaning that unexpected events can be activated inside of smartphones. Therefore, the attacker can control and get personal information and data stored inside of smartphone illegally. Smartphones are not just phones but also portable computers, providing diverse services needed in life including calls, texts, emails, GPS, camera, Wi-Fi and Bluetooth apps. These apps keep and manage diverse intrinsic data as well as sensitive private information such as address books. Smartphones enable swift and easy data exchange via 3G, 4G and Wi-Fi. Thus, personal information stored on Smartphones is prone to leakage.