Access Control This service provides protection against unauthorized use of resources accessible via osI. these may be osi or non- OSI resources accessed via osi protocols. This protection service may be applied to various types of access to a resource or to all accesses to a resource e.g., the use of a communications resource; the reading, the writing, or the deletion of an information resource the execution of a processing resource 1212 Access Control • This service provides protection against unauthorized use of resources accessible via OSI. These may be OSI or non￾OSI resources accessed via OSI protocols. This protection service may be applied to various types of access to a resource or to all accesses to a resource – e.g., the use of a communications resource; the reading, the writing, or the deletion of an information resource; the execution of a processing resource