Android security: State of art and challenges

Now-a-days Android devices are rapidly increasing as per user's need and very helpful to fulfil personal and professional need. Also, these devices are quickly turning into a genuine danger because of the various malwares and security issues and threats present in them. In this paper, different proposals of security mechanisms and techniques are reviewed, which are used to ensure the security of these devices along with the latest state of art. It also discovers different kinds of security mechanisms that include authorization related issues, which are a continuous wonder in Android applications. Consent related issues that can often times wait inside an application for an all-inclusive timeframe, which can be as high as quite a while, prior to being fixed. With the collected information, security mechanisms are evaluated to find the effectiveness of methods for forestalling and identifying portable malwares and threats. Also analyzed, the motivating forces that cause benign android hobbyists to distribute root exploits and overviewed the accuracy and accessibility measures of those techniques.