Acronyms and Abbreviations

Source of Reference: The official CMMC Glossary from the Office of the Under Secretary of Defense Acquisition & Sustainment.

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A

AA	Audit and Accountability
ABAC	Attribute-Based Access Control
AC	Access Control
ACSC	Australian Cyber Security Centre
AES	Advanced Encryption Standard
AIA	Aerospace Industries Association
AM	Asset Management
API	Application Programming Interface
APT	Advanced Persistent Threat
AT	Awareness and Training
AU	Audit and Accountability

B

BYOD	Bring Your Own Device

C

C2M2	Cybersecurity Capability Maturity Model
C3PAO	CMMC Third-Party Assessment Organization
CA	Security Assessment
CD-ROM	Compact Disc Read-Only Memory
CDI	Covered Defense Information
CEA	Council of Economic Advisers
CERT	Computer Emergency Response Team
CERT RMM	CERT® Resilience Management Model
CFR	Code of Federal Regulations
CI	Configuration Item
CIO	Chief Information Officer
CIS	Computer Information System
CIS	Center for Internet Security
CISA	Cybersecurity and Infrastructure Security Agency
CM	Configuration Management
CMMC	Cybersecurity Maturity Model Certification
CNSSD	[Committee on National Security Systems Directive Committee on National Security Systems] Directive
CNSSI	[Committee on National Security Systems Directive Committee on National Security Systems] Instructions
COMSEC	Communications Security
CPI	Critical Program Information
CSF	Cybersecurity Framework
CSIS	Center for Strategic and International Studies
CSP	Credential Service Provider
CTI	Controlled Technical Information
CUI	Controlled Unclassified Information
CVE	Common Vulnerabilities and Exposures
CVMP	Cryptographic Module Validation Program
CWE	Common Weakness Enumeration

D

D/A	Department/Agency
DCISE	DIB Collaborative Information Sharing Environment
DCS	Distributed Control System
DD	Represents any two-character CMMC Domain acronym
DFARS	Defense Federal Acquisition Regulation Supplement
DHC	Device Health Check
DIB	Defense Industrial Base
DKIM	Domain Key Identified Mail
DMARC	Domain-based Message Authentication, Reporting, and Conformance
DMZ	Demilitarized Zone
DNS	Domain Name System
DNSSEC	Domain Name System Security
DoD	Department of Defense
DoDI	Department of Defense Instruction
DPCI	Derived PIV Credential Issuers
DVD	Digital Versatile Disc

E

E.O.	Executive Order
eSATA	External Serial Advanced Technology Attachment
ESP	External Service Provider

F

FAQ	Frequently Asked Question
FAR	Federal Acquisition Regulation
FBI	Federal Bureau of Investigation
FCI	Federal Contract Information
FDDI	Fiber Distributed Data Interface
FDE	Full Disk Encryption
FedRAMP	Federal Risk and Authorization Management Program
FFRDC	Federally Funded Research and Development Center
FIPS	Federal Information Processing Standard
FTP	File Transfer Protocol

G

GDPR	General Data Protection Regulation

H

HIPAA	Health Insurance Portability and Accountability Act
HSPD	Homeland Security Presidential Directive
HTTP	Hypertext Transfer Protocol
HTTPS	Hypertext Transfer Protocol Secure
HVA	High-Value Asset

I

IA	Information Assurance
IA	Identification and Authentication
IBAC	Identity-Based Access Control
IC3	Internet Crime Complaint Center
ICAM	Identity, Credential, and Access Management
ICS	Industrial Control System
ID	Identification
IDA	Identification and Authentication
IDPS	Intrusion Detection and Prevention Systems
IEC	International Electrotechnical Commission
IETF	Internet Engineering Task Force
IIoT	Industrial Internet of Things
IoT	Internet of Things
IP	Internet Protocol
IPSec	Internet Protocol Security
IR	Incident Response
IS	Information System
ISAC	Information Sharing and Analysis Center
ISAO	Information Sharing and Analysis Organization
ISCM	Information Security Continuous Monitoring
ISDN	Integrated Services Digital Network
ISO	International Organization for Standardization
IT	Information Technology
ITIL	Information Technology Infrastructure Library

L

L#	Level Number
LAN	Local Area Network
LSI	Large-Scale Integration

M

MA	Maintenance
MAC	Media Access Control
MC	Maturity Capability
MC##	Maturity Capability Number
MDM	Mobile Device Management
MEP	Manufacturing Extension Partnership
MFA	Multifactor Authentication
ML	Maturity Level
ML#	Maturity Level Number
MMC	Multimedia Card
MP	Media Protection
N/A	Not Applicable (NA)
NARA	National Archives and Records Administration
NAS	Networked Attached Storage
NAS	National Aerospace Standard
NCSC	National Cyber Security Centre
NIST	National Institute of Standards and Technology
NISTIR	NIST Interagency (or Internal) Report
NPE	Non-Person Entity
NSA	National Security Agency
NSA/CSS	NSA Central Security Service
NSPD	National Security Presidential Directive
NSTISSD	National Security Telecommunications and Information Systems Security Directive
NTP	Network Time Protocol
NYSSCPA	New York State Society of CPAs

O

OMB	Office of Management and Budget
OS	Operating System
OSC	Organization Seeking Certification
OT	Operational Technology
OUSD A&S	Office of the Under Secretary of Defense for Acquisition and Sustainment

P

PCI	Personal Identity Verification Card Issuers
PDA	Personal Digital Assistant
PE	Physical Protection
PGP	Pretty Good Privacy
PII	Personally Identifiable Information
PIV	Personal Identify Verification
PKI	Public Key Infrastructure
PLC	Programmable Logic Controller
POC	Point of Contact
POTS	Plain Old Telephone Service
PP	Physical Protection
PPD	Presidential Policy Directive
PS	Personnel Security
PUB	Publication

R

RADIUS	Remote Authentication Dial-in User Service
RE	Recovery
Rev	Revision
RF	Radio Frequency
RFC	Request for Comments
RM	Risk Management
RMM	Resilience Management Model
RMM	Risk Management Model
RPO	Recovery Point Objectives
RTO	Recovery Time Objectives

S

SA	Situational Awareness
SaaS	Software as a Service
SAS	Security Assessment
SC	System and Communications Protection
SCADA	Supervisory Control and Data Acquisition
SCRM	Supply Chain Risk Management
SHA	Security Hash Algorithm
SI	System and Information Integrity
SIEM	Security Integration and Event Management
SMS	Short Message Service
SOC	Security Operations Center
SP	Special Publication
SPF	Sender Policy Framework
SSC	Secure Socket Layer
SSD	Solid-State Disk
SSP	System Security Plan
SSP	Sector Specific Plan

T

TLS	Transport Layer Security
TTP	Tactics, Techniques, and Procedures

U

U.S.	United States
UARC	University Affiliated Research Center
UK	United Kingdom
UMD	Universal Media Disc
URL	Uniform Resource Locator
USB	Universal Serial Bus
UTC	Coordinated Universal Time
UUENCODE	Unix-to-Unix Encode

V

VLAN	Virtual Local Area Network
VoIP	Voice over Internet Protocol
Vol.	Volume
VPN	Virtual Private Network

W

WAP	Wireless Access Point
WPA2-PSK	WiFi Protected Access-Pre-shared Key

X

xD	Extreme Digital (flash memory card device)