1. Zhou, J.: Analysis of Cloud Computing Security Problem. In: APSEC 2013 Cloud Workshop; Sydney, Australia (2013)
2. Yang, Y.: ‘State of the Public Cloud: The Cloud Adopters’ Perspective (2014).
http://thecloud.appirio.com/rs/appirio/images/State_of_the_Public_Cloud_Results_FINAL-102910.pdf
3. Pallis, G.: Cloud computing: the new frontier of internet computing. IEEE Internet Comput. 14(5), 70–73 (2010). ISSN 1089 7801
4. Dhamija, R., Dusseault, L.: Seven flaws of identity management: usability and security challenges. IEEE Secur. Priv. 6, 24–29 (2008)
5. Zhang, G.: Toward a unified ontology of cloud computing environments. Int. J. Comput. Eng. (IOSRJCE), 1(1), 1–8 (2015)