Why institutions are reluctant to move their IT to the cloud.

Discuss in 500 words, why institutions are reluctant to move their IT to the cloud. Consider specific industries like education, medicine, military, etc. 

Important: Use at least three sources. Include at least 3 quotes from your sources enclosed in quotation marks and cited in-line by reference to your reference list. Cite your sources. Do not copy. Write in essay format not in bulleted, numbered or other list format.