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Hardening

nounverified·updated May 9, 2026

Configuring a host’s operating systems and applications to reduce the host’s security weaknesses.

Framework senses

SANS Glossary of Security Terms1 senseview framework →
§1
Hardening is the process of identifying and fixing vulnerabilities on a system.
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary1 senseview framework →
§1
The process of securing a computer's administrative functions or inactivating those features not needed for the computer's intended business purpose.
NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
Configuring a host’s operating systems and applications to reduce the host’s security weaknesses.
NIST SP 800-1231 senseview framework →
§1
Configuring a host’s operating systems and applications to reduce the host’s security weaknesses.
Wordset Dictionary3 sensesview framework →
§1
the act of making something harder (firmer or tighter or more compact)
§2
the process of becoming hard or solid by cooling or drying or crystallization
§3
abnormal hardening or thickening of tissue