A Review on Android Authentication System Vulnerabilities

Mobile security has become a crucial aspect of mobile computing. People are maintaining their confidential and valuable information on smart phones. Most of the users and businesses use smart phones as message tools, and means of scheduling and establishing their work and private life. Smart phones contain increasing amount of exposed information to which access must be prohibited. But security is not easy, and security with mobile devices, smart phones is no exemption. Android is an operating system based on the Linux kernel, developed by Android Inc. which Google acquired in 2005. Initially, Android was launched to support touch screen devices like smart phones. These devices support different types of screen locks, like swipe lock, PIN lock, pattern lock, gesture lock, facial lock, etc. These passwords are susceptible to many attacks such as bruteforce, dictionary attacks. But we need to follow preventing strategiesto meaningfully improve our mobile security. This paper presents a study on various attacks on mobile passwords and educates the user about mobile forensics. Keywords—security,bruteforce,dictionaryattacks, Android, mobile forensics.