Mobile Cloud Computing (MCC) is a developing technology which attempts to mix the storage and processing resources of cloud environment with the dynamicity and accessibility of mobile devices. With the development of mobility and cloud computing, mobile cloud computing has introduced. The necessity of extendibility and on-demand self-service, it can provide the great infrastructure, platform and software services during a cloud to mobile clients through the mobile network. Therefore, cloud

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... ting is predicted to bring an innovation in mobile computing, where the mobile devices can make use of clouds for processing, storage and other exhaustive operations. Security, particularly authentication in MCC may be a critical requirement in securing cloud based computations and communication. This review presents various authentication techniques in MCC and comparative analysis of authentication techniques based on security, privacy and adaptivity to MCC environment.