An environment defined by a single set of security policies, including a set of people, equipment, facilities, procedures. A Security Domain may be a single enterprise or a collection of enterprises (e.g. IHE-XDS Affinity Domain).
a collection of AIS under the control of a single administrator that enforces or operates under a specified policy
a set of elements under a given security policy administered by a single authority for some specific security relevant activities
a single domain of trust that shares a single security policy and a single management
Enables access management to be partitioned according to organizational or physical boundaries, different security domains may be securely configured and managed by different individuals, departments, and companies.
An environment or context that is defined by security models and a security architecture, including a set of resources and set of system entities that are authorized to access the resources. One or more security domains may reside in a single administrative domain. The traits defining a given security domain typically evolve over time. [RFC 2828
A security domain is an environment or context that is defined by security policies, security models, and security architecture, including a set of resources and set of system entities that are authorized to access the resources. An administrative domain may contain one or more security domains. The traits defining a given security domain typically evolve over time.