Metadata

What is metedata? describing metadata and basic application of metadata
http://www.addsimplicity.com/adding_simplicity_an_engi/2007/10/what-metadata.html

Metadata can be very useful in managing identities, knowing the context of users is critical for IDM initiatives (e.g. authorization) leveraging existing policy, groups, and roles means a more consistent enforcement of business logic and better security across your organization.

In this case metadata refers to how the system currently defines a user, I like to refer to this information as context. Why? because the metadata allows me to see the context in which the user operates - what the actor does inside the system.

Understanding your metadata means you can leverage it, as always "knowledge is power"...

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