In what scenario would an organization need adjustments to Illumio policies?

An organization needs adjustments to Illumio policies primarily after significant changes in the application stack or infrastructure. This is because Illumio's policies are designed to protect and control traffic between workloads based on their configurations and interactions.

When there are substantial changes—such as deploying a new application, updating existing services, modifying the underlying infrastructure, or changing network layouts—these adjustments in the environment can affect how workloads communicate and interact. To maintain security compliance and ensure that the security posture is effective, policies must be updated to reflect these changes.

Regular system maintenance checks or minor updates to security settings may not necessitate a full policy update because they typically don’t alter fundamental interactions or dependencies between workloads. Similarly, waiting for a data breach to occur before adjusting policies would be reactive rather than proactive, which undermines the core principles of effective security management. Thus, ensuring policies align with significant changes in the application stack or infrastructure is crucial for maintaining robust security and functional integrity within the organization.