International Journal of Advanced Research in Computer and Communication Engineering (IJARCCE)
Cloud computing is an emerging, on-demand and internet-based technology. It provides variety of services over internet such as, software, hardware, data storage and infrastructure. To utilize these services by authorized customer and to secure a data on the cloud, it is necessary to have strict security checking system. The 3D security checking system by using the multi-level authentication technique generates the password in multiple levels to access the cloud services. This system is able for thwarting Shoulder attack, Tempest attack, and Brute-force attack, dictionary attacks and many more which are present at client side, with the use of strong techniques in the Graphical password.