Editing Security kernel (section)

{{Short description|Telecommunication term}}
{{split|date=February 2023}}

In [[telecommunications]], the term '''security kernel''' has the following meanings: 

#In [[computer]] and [[communications security]], the central part of a computer or [[communications system]] [[computer hardware|hardware]], [[firmware]], and [[software]] that implements the basic security procedures for controlling [[Access control|access]] to system resources. 
#A self-contained usually small collection of key security-related statements that (a) works as a part of an [[operating system]] to prevent unauthorized access to, or use of, the system and (b) contains criteria that must be met before specified programs can be accessed. 
#Hardware, firmware, and software elements of a [[trusted computing base]] that implement the [[reference monitor]] concept.