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The devices most often used for IT services are changing from PCs and laptops to smart phones and tablets. These devices need to be small for increased portability. These technologies are convenient, but as the devices start to contain increasing amounts of important personal information, better security is required. Security systems are rapidly being developed, as well as solutions such as remote control systems. However, even with these solutions, major problems could still result after a mobile device is lost. In this thesis, we present our upgraded Lock Screen system, which is able to support authentication for the user's convenience and provide a good security system for smart phones. We also suggest an upgraded authentication system for Android smart phones.
Date of Conference: 26-29 March 2012