Description: The OverridePolicy in AWS CloudFormation is a mechanism that defines how resource updates in a stack should be handled. This policy is crucial for infrastructure as code management, as it allows developers and system administrators to control the behavior of resources when updates or changes are made to the CloudFormation template. By implementing an OverridePolicy, it can be specified whether existing resources should be replaced, updated, or left unchanged. This provides a level of flexibility and control that is essential for maintaining the stability and integrity of cloud applications. Additionally, the policy helps prevent accidental loss of critical data or configurations during the update process. In summary, the OverridePolicy is a fundamental tool in managing CloudFormation stacks, allowing users to clearly define how changes to resources should be handled, resulting in more efficient and secure management of cloud infrastructure.