Your company is planning to migrate its data storage and compute requirements to an Infrastructure as a Service (IaaS) environment in Microsoft Azure. As the Cybersecurity Architect, you are tasked with ensuring the security of your data and applications in the cloud. Considering the shared responsibility model in cloud security, cost implications, compliance requirements, and the need for scalable security measures, which of the following security requirements should you prioritize for the IaaS environment? (Choose one)