Secure Subsystem

Primary definition

Subsystem containing its own implementation of the reference monitor concept for those resources it controls. Secure subsystem must depend on other controls and the base operating system for the control of subjects and the more primitive system objects. (CNSSI-4009) (NISTIR)

Also known asSS · Secure Subsystem (SS) · Security Subsystem · Trusted Subsystem · Protected Subsystem
1 sources cited4 related termsReviewed Aug 10, 2026
The Cyber GlossaryView source

Understand more election terms clearly

Get one important election term explained each week, with authoritative sources, practical context and related definitions.

Free. One useful email each week. Unsubscribe anytime.Learn more about the ESG newsletter →
TCG

Subsystem containing its own implementation of the reference monitor concept for those resources it controls. Secure subsystem must depend on other controls and the base operating system for the control of subjects and the more primitive system objects. (CNSSI-4009) (NISTIR)

The Cyber Glossary · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Secure Subsystem. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/secure-subsystem

Sources

1 cited · last checked Aug 10, 2026

01

The Cyber Glossary
The Cyber Glossary

Single-source

View source

Get the weekly election term

Receive one cited, source-backed election explanation in your inbox each week.

Get election terms explained weekly →
Free · Nonpartisan · Unsubscribe anytime.
Continue Research

Keep going from here

Three ways to go deeper on cybersecurity and adjacent terminology.