In
telecommunication
Telecommunication is the transmission of information by various types of technologies over wire, radio, optical, or other electromagnetic systems. It has its origin in the desire of humans for communication over a distance greater than that fe ...
, the term security kernel has the following meanings:
#In
computer and
communications security, the central part of a computer or
communications system
A communications system or communication system is a collection of individual telecommunications networks, transmission systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperat ...
hardware,
firmware, and
software
Software is a set of computer programs and associated software documentation, documentation and data (computing), data. This is in contrast to Computer hardware, hardware, from which the system is built and which actually performs the work.
...
that implements the basic security procedures for controlling
access
Access may refer to:
Companies and organizations
* ACCESS (Australia), an Australian youth network
* Access (credit card), a former credit card in the United Kingdom
* Access Co., a Japanese software company
* Access Healthcare, an Indian BPO se ...
to system resources.
#A self-contained usually small collection of key security-related statements that (a) works as a part of an
operating system
An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs.
Time-sharing operating systems schedule tasks for efficient use of the system and may also i ...
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
In operating systems architecture a reference monitor concept defines a set of design requirements on a reference validation mechanism, which enforces an access control policy over subjects' (e.g., processes and users) ability to perform operations ...
concept.
References
*{{FS1037C
*
National Information Systems Security Glossary Committee on National Security Systems Instruction No. 4009, National Information Assurance Glossary, published by the United States federal government, is an unclassified glossary of Information security terms intended to provide a common vocabula ...
Computing terminology