21 DECEMBER | ADMIN | 3 COMMENTS
Security service is a service, provided by a layer of communicating open systems, which ensures adequate security. A capability that supports one, or more, of the security requirements . A processing or communication service that is provided by a system to give a specific kind of protection to resources, where said resources may reside with said system or reside with other systems. Security services typically implement portions of security policies and are implemented via security mechanisms.