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Cloud Computing, SaaS, PaaS, IaaS.

Cloud computing technology has acquired a vast vogue in the business technology area over the years. It has offered huge services and features; however, many challenges affect enterprises to adopt cloud computing. The primary concerns are cost advantages and security risks. By conducting two types of surveys (interview, questionnaire), this research has discovered the primary security and cost challenges that affect the enterprises. The cost-benefit is the main challenge that leads enterprises to migrate into the cloud, while the security risk is the main concern. The result states that enterprises have different scenarios and work needs. The cloud types are selected based on serval factors such as cost, company strategy, current challenges, and future roadmap. Small and medium enterprises are suited toward the public cloud, while large enterprises favor the private cloud due to security and the hybrid cloud because of the flexibility and risk balance. Finally, this study discovered the main challenges and suggestions to mitigate the indicated risks related to security and cost before migrating into cloud computing.