World Congress on Internet Security (WorldCIS), London, Canada, 9 - 12 December 2013, pp.139-143
Information Technology infrastructure continues to grow with evolving technology. The invention of the Internet has increased the use of computer and the mobile device. Nowadays, many people in the world use these devices. As a result, a large amount of data stored device and each device in the Internet were required to be connected each other because of sharing information. New business model has emerged with the increase of data and the development of Internet and mobile technology. This new business model is referred to as cloud computing. The cloud computing offers many advantages, but there are also many disadvantages. The advantages are flexibility and scalability and better security and large enterprises.