Security kernel vs reference monitor

A security kernel is defined as the hardware, firmware, and software elements of a trusted computing base that implement the reference monitor concept A reference monitor is a system component that enforces access controls on an object

Access Control matrix vs Capability table

An access control matrix is a list of objects along with the permissions granted for each object. You can think of an access control matrix as a group of ACLs. Each ACL represents a single object and lists all the permissions for that object. A capability table is a...

Protection domain vs protection rings

A protection domain consists of the execution and memory space assigned to each process The use of protection rings is a scheme that supports multiple protection domains. Source: https://en.wikipedia.org/wiki/Protection_ring