Android Operating System Security Issues

Abstract

Androids are operating systems, which are mostly used. Android are the primarily used touch screen devices. It is an open source operating system that is it has no limitations regarding cost and access to data.The android operating system permits the access to resources and information anytime. Android operating system permits the access to all kind of data required for successful installation of an android application. Whenever user install an application the user accepts the permissions ,which are actually declarations . If it is accepted the application can access data anytime. This paper tells about the misuse of app permissions using Shared User ID, how authentications fail due to inappropriate and improper usage of app permissions using spyware, data theft in Android applications, security breaches or attacks in Android , iOS and Windows operating system regarding its security.