U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Glossary

A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

Glossary terms and definitions last updated: March 28, 2023

This Glossary only consists of terms and definitions extracted verbatim from NIST's cybersecurity- and privacy-related publications--Federal Information Processing Standards (FIPS), NIST Special Publications (SPs), and NIST Internal/Interagency Reports (IRs)--as well as from Committee on National Security Systems (CNSS) Instruction CNSSI-4009. Only terms that are defined in final publications—not drafts—are included here.

  • Multiple definitions. Some terms have multiple definitions. Terminology changes over time, and may differ based on the topic being addressed. Always refer to the source publication for the authoritative term and definition, and to see that information in its proper context.
  • Inclusive language. We recognize that some NIST publications contain potentially biased terminology. As we revise publications, we are reviewing and editing that language based on NIST’s inclusive language guidance. New publications in development will also follow that guidance.

The Glossary may be expanded to include relevant terms in external or supplemental sources, such as applicable laws and regulations. Recommendations for publications to be considered by NIST can be sent to secglossary@nist.gov. HOWEVER, terms without a source publication will not be independently added to this Glossary.

A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z
Showing 693 matching records.
p
P#j
P*n
P25
P2P
PA
PAA
PAC
PAD
PAM
PAN
PAO
PAP
PAS
PAT
PBX
PC
PCB
PCC
PCH
PCI
PCL
PCM
PCR
PCS
PCU
PDA
pdd
PDF
PDN
PDP
PDR
PDS
PE
PED
PEF
PEI
PEM
PEP
PET
PFF
PFR
PFS
PGP
PHA
PHI
PHP
PHR
PHY
PI
PIA
PIC
PID
PII
PIM
PIN
PIP
PIR
PIT
PIV
PIX
Pj
PK
PKC
PKE
PKI
PL
PLC
PM
PM2
PMA
PMF
PMI
PMK
PML
PMS
Pn
PN
PNG
PNT
POC
PoE
POP
PoS
POU
PoW
PP
PPA
PPC
PPD
PPE
PPI
PPK
PPP
PPS
PQC
PR
PRA
PRF
PRM
PRP
PS
PSA
PSC
PSK
PSN
PSO
PSS
PSX
pt
PTK
PTP
PTT
PUB
PUK
PWA
PXE
PXN
PY

* "Relevance" merely indicates the search engine's score for a document. It is based on the search parameters and information in the document's detailed record.