As a cybersecurity architect at a large organization planning to implement a new identity and access management (IAM) solution, you are tasked with specifying the security requirements. The organization operates in a highly regulated industry, requiring strict compliance with data protection standards. Additionally, the solution must support a hybrid environment, integrating both on-premises and cloud-based resources. Given these constraints, which of the following factors is MOST critical to consider when selecting an IAM solution? (Choose one)