Externalized authorization is access control decisions centralized and separated from application logic. In other words, it centralizes access control decisions for applications and systems across the organization, rather than within individual programs. This means the access logic and policies are consistent, regardless of the application.  It’s like having a central security office that decides who can enter which rooms in all buildings of a company, instead of each building managing its own security. Such centralized management allows security and IAM professionals to efficiently add, update and deploy policies across a portfolio of applications, alongside fine-grained access control which ensures users access the right data and actions. When combined with a dynamic data model, it allows businesses to leverage other data, make faster decisions based on dynamic data points and orchestrate a consistent experience across services (with all systems using the same externalized authorization). 

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