This report explores various aspects of cloud computing, including Platform as a Service (PaaS), Software as a Service (SaaS), and Infrastructure as a Service (IaaS) architectures, along with their justifications, benefits, and associated issues. It delves into the risks of hybrid cloud and microservices, offering control measures for architecture design, data management, and privacy/security concerns. The report outlines steps to secure a hybrid cloud environment, covering encryption, API protection, and security log utilization. It also addresses application resilience issues, emphasizing the importance of backup, disaster recovery, remote server administration, resource management, and Service Level Agreement (SLA) management. Finally, the report details the steps involved in mitigating the AWS cloud, including preparation, portfolio planning, migration, and operation, along with potential issues in each phase.