1. A security-related information sharing model by which security-related information is shareable among a plurality of endpoints in an enterprise security environment, the model facilitating use of a method comprising the steps of: describing an object in the environment using a semantic abstraction of security-related information that is available to an endpoint, the semantic abstraction i) being categorized by type, and ii) being commonly utilizable by the endpoints; and using a publish and subscribe model by which a publishing endpoint publishes the semantic abstraction to which a subscribing endpoint subscribes according to a subscription, the subscription being based on the semantic abstraction type.