Review on User Authentication on Mobile Devices

Mobile devices have made more easier and great convenience in the 21st century, which gives users freedom to gain access anytime, anywhere to numerous applications with the help of information and communication technology. Online shopping, social media, banking transactions just to mention few are all now at our fingertips, but it also come at cost with black/grey heart hackers trying to gain access into those devices. They tend to access sensitive information in those devices by unlocking the mobile device and moreover, some applications and mobile services are exposed to security threats. This paper reviews the current existing authentication methods on mobile devices, based on knowledge based and biometric based that are used in mobile devices for authentication. The types of authentication factors which are Single Factor, Two-Factor and Multifactor authentication are also discussed includes the threats. The paper points out the most secured most the authentication factors and multifactor authentication is the current trend in mobile authentication.