Android Architecture and Related Security Risks

Android operating system is a fascinating operating system developed for mobile devices. It is being used in a comparatively large number of embedded & mobile platforms. This paper presents a brief introduction to Android operating system, and some discussion about its version history. Furthermore, the discussion goes through architecture of the operating system, difference between Android modified kernel and Linux kernel, new Android Runtime environment ART, security and privacy risks, and at the end, a simple basic solution is suggested to prevent from those risks.