AA&E ARMS, AMMUNITION AND EXPLOSIVES
A&E ARCHITECT AND ENGINEER
AAA ACCESS APPROVAL AUTHORITY
ACCM ALTERNATIVE COMPENSATORY CONTROL MEASURES
ACS ACCESS CONTROL SYSTEM
AEA ATOMIC ENERGY ACT
AFT ASSURED FILE TRANSFER
AO ACCREDITING OFFICIAL
AFOSI AIR FORCE OFFICE OF SPECIAL INVESTIGATIONS
AFSO ASSISTANT FACILITY SECURITY OFFICER
ATC AUTHORIZATION TO CONNECT
ATC ANTITERRORISM CREDENTIAL
ATO AUTHORIZATION TO OPERATE
BI BACKGROUND INVESTIGATION
C CONFIDENTIAL
C5ISR COMMAND, CONTROL, COMPUTERS, COMMUNICATIONS, CYBER, INTELLIGENCE, SURVEILLANCE AND RECONNAISSANCE
CA COMPARTMENTED AREA
CAC COMMON ACCESS CARD
CAF CONSOLIDATED ADJUDICATIONS FACILITY
CAG CLEARED AMERICAN GUARD
CAGE COMMERCIAL AND GOVERNMENT ENTITY
CAPCO CONTROLLED ACCESS PROGRAM COORDINATION OFFICE
CCI CONTROLLED CRYPTOGRAPHIC ITEM
CDO CONTROLLING DOD OFFICE
CDSE CENTER FOR DEVELOPMENT OF SECURITY EXCELLENCE
CE CONTINUOUS EVALUATION
CER COMMUNICATIONS EQUIPMENT ROOM
CFR CODE OF FEDERAL REGULATIONS
CI COUNTERINTELLIGENCE
CIK CRYPTO IGNITION KEY
CISA COUNTERINTELLIGENCE SPECIAL AGENT
CISO CHIEF INFORMATION SECURITY OFFICER
CNWDI CRITICAL NUCLEAR WEAPON DESIGN INFORMATION
COMINT COMMUNICATIONS INTELLIGENCE
COMSEC COMMUNICATIONS SECURITY
COR CONTRACTING OFFICER REPRESENTATIVE
COTS COMMERCIAL OFF THE SHELF
CNSS COMMITTEE ON NATIONAL SECURITY SYSTEMS
CNSSAM COMMITTEE ON NATIONAL SECURITY SYSTEMS ADVISORY MEMORANDUM
CPSO CONTRACTOR PROGRAM SECURITY OFFICER
CRADA COOPERATIVE RESEARCH AND DEVELOPMENT AGREEMENT
CRO COMSEC RESPONSIBLE OFFICER
CRYPTO CRPTROGRAPHIC
CSA COGNIZANT SECURITY AGENCY
CSO CHIEF SECURITY OFFICER
CSO COGNIZANT SECURITY OFFICE
CSSO CONTRACTOR SPECIAL SECURITY OFFICER
CST CONSTRUCTION SECURITY TECHNICIAN
CTTA CERTIFIED TEMPEST TECHNICAL AUTHORITY
CTS COSMIC TOP SECRET
CUI CONTROLLED UNCLASSIFIED INFORMATION
CV CONTINUOUS VETTING
CVS CENTRAL VERIFICATION SYSTEM
DAF DEPARTMENT OF THE AIR FORCE
DAO DELEGATED AUTHORIZING OFFICIAL
DARPA DEFENSE ADVANCED RESEARCH PROJECTS AGENCY
DATO DENIED AUTHORIZATION TO OPERATE
DCID DIRECTOR OF CENTRAL INTELLIGENCE DIRECTIVE
DCSA DEFENSE COUNTERINTELLIGENCE AND SECURITY AGENCY
DEA DRUG ENFORCEMENT ADMINISTRATION
DFARS DEFENSE FEDERAL ACQUISITION REGULATION SUPPLEMENT
DIA DEFENSE INTELLIGENCE AGENCY
DISC DEFENSE INTELLIGENCE SUPPORT CENTER
DISS DEFENSE INFORMATION SYSTEM FOR SECURITY
DIDO DESIGNATED INTELLIGENCE DISCLOSURE OFFICIAL
DNI DIRECTOR OF NATIONAL INTELLIGENCE
DOD DEPARTMENT OF DEFENSE
DODM DEPARTMENT OF DEFENSE MANUAL
DODD DOD DIRECTIVE
DODI DOD INSTRUCTION
DODIIS DEPARTMENT OF DEFENSE INTELLIGENCE INFORMATION SYSTEM
DOE DEPARTMENT OF ENERGY
DSS DEFENSE SECURITY SERVICES (FORMERLY DCSA)
DOS DEPARTMENT OF STATE
DPRP DISASTER PREPAREDNESS RECOVERY PLAN
DUSD(I&S) DEPUTY UNDER SECRETARY OF DEFENSE, INTELLIGENCE AND SECURITY
DTA DATA TRANSFER AGENT
DTM DIRECTIVE-TYPE MEMORANDUM
DVD DIGITAL VIDEO DISC (ALSO DIGITAL VERSATILE DISC)
EAP EMERGENCY ACTION PLAN
EO EXECUTIVE ORDER
EMASS ENTERPRISE MISSION ASSURANCE SUPPORT
EMT ELECTRICAL METALLIC TUBING
EPL EVALUATED PRODUCTS LIST
FAR FEDERAL ACQUISITION REGULATION
FBI FEDERAL BUREAU OF INVESTIGATION
FCL FACILITY CLEARANCE
FDO FOREIGN DISCLOSURE OFFICER
FFC FIXED FACILITY CHECKLIST
FGI FOREIGN GOVERNMENT INFORMATION
FIPS FEDERAL INFORMATION PROCESSING STANDARDS
FOCI FOREIGN OWNERSHIP CONTROL OF INFLUENCE
FOIA FREEDOM OF INFORMATION ACT
FOUO FOR OFFICIAL USE ONLY
FRD FORMERLY RESTRICTED DATA
FSE FILE SERIES EXEMPTION
FF-L FEDERAL SPECIFICATIONS LOCK
FSO FACILITY SECURITY OFFICER
FVEY FIVE EYES
G GAMMA
GC GENERAL CONTRACTOR
GCA GOVERNMENT CONTRACTING ACTIVITY
GG GENERAL GOVERNMENT
GPM GOVERNMENT PROGRAM MANAGER
GS GENERAL SCHEDULE
GSA GENERAL SERVICES ADMINISTRATION
GSSO GOVERNMENT SPECIAL ACCESS PROGRAM SECURITY OFFICER
GWB GYPSUM WALLBOARD
HCS HUMINT CONTROL SYSTEM
HSS HIGH SECURITY SWITCH/SENSOR
HUMINT HUMAN INTELLIGENCE
HVSACO HANDLE VIA SPECIAL ACCESS CHANNELS ONLY
IC INTELLIGENCE COMMUNITY
ICD INTELLIGENCE COMMUNITY DIRECTIVE
ICS INTELLIGENCE COMMUNITY STANDARD
IDS INTRUSION DETECTION SYSTEM
ISA INDUSTRIAL SECURITY ANALYST
ISCAP INTERAGENCY SECURITY CLASSIFICATION APPEALS PANEL
ISO INTERNATIONAL ORGANIZATION FOR STANDARDIZATION
ISOC INDUSTRIAL SECURITY OVERSIGHT CERTIFICATION
ISOO INFORMATION SECURITY OVERSIGHT OFFICE
ISSE INFORMATION SYSTEM SECURITY ENGINEER
ISSM INFORMATION SYSTEM SECURITY MANAGER
ISSO INFORMATION SYSTEM SECURITY OFFICER
ISWG INDUSTRIAL SECURITY WORKING GROUP
IT INFORMATION TECHNOLOGY
ITPSO INSIDER THREAT PROGRAM SENIOR OFFICIAL
JAFAN JOINT AIR FORCE, ARMY, NAVY
JSIG JOINT SPECIAL ACCESS PROGRAM IMPLEMENTATION GUIDE
JWICS JOINT WORLDWIDE INTELLIGENCE COMMUNICATIONS SYSTEM
KG KEY GENERATOR
KMP KEY MANAGEMENT PERSONNEL
KO CONTRACTING OFFICER
LIMDIS LIMITED DISTRIBUTION
LOCN LETTER OF COMPELLING NEED
MASINT MEASUREMENT AND SIGNATURE INTELLIGENCE
MDA MISSILE DEFENSE AGENCY
MBI MODERATE RISK BACKGROUND INVESTIGATION
MSIC MISSILE AND SPACE INTELLIGENCE CENTER
NACI NATIONAL AGENCY CHECK WITH INQUIRIES
NACLC NATIONAL AGENCY CHECK WITH LAW AND CREDIT
NARA NATIONAL ARCHIVES AND RECORDS ADMINISTRATION
NATO NORTH ATLANTIC TREATY ORGANIZATION
NBIS NATIONAL BACKGROUND INFORMATION SYSTEM
NC NATO CONFIDENTIAL
NDP NATIONAL DISCLOSURE POLICY
NF NOFORN (NO FOREIGN)
NGA NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY
NID NATIONAL INTEREST DETERMINATION
NIPR NON-CLASSIFIED INTERNET PROTOCOL ROUTER
NIPRNET NON-CLASSIFIED INTERNET PROTOCOL ROUTER NETWORK
NISP NATIONAL INDUSTRIAL SECURITY PROGRAM
NISPOM NATIONAL INDUSTRIAL SECURITY PROGRAM OPERATING MANUAL
NISS NATIONAL INDUSTRIAL SECURITY SYSTEM
NNPI NAVAL NUCLEAR PROPULSION INFORMATION
NODIS NO DISTRIBUTION
NOFORN NO FOREIGN (NOT RELEASABLE TO FOREIGN NATIONALS)
NR NATO RESTRICTED
NRO NATIONAL RECONNAISSANCE OFFICE
NS NATO SECRET
NSI NATIONAL SECURITY INFORMATION
NSA NATIONAL SECURITY AGENCY
NTK NEED-TO-KNOW
NU NATO UNCLASSIFIED
NIST NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY
OADR ORIGINATING AGENCY’S DETERMINATION REQUIRED
OCA ORIGINAL CLASSIFICATION AUTHORITY
ODNI OFFICE OF THE DIRECTOR OF NATIONAL INTELLIGENCE
ORCON ORIGINATOR CONTROLLED
OSPB OVERSEAS SECURITY POLICY BOARD
OUSD(I) OFFICE OF THE UNDER SECRETARY OF DEFENSE FOR INTELLIGENCE
OUSD(I&S) OFFICE OF THE UNDER SECRETARY OF DEFENSE FOR INTELLIGENCE AND SECURITY
PAR PROGRAM ACCESS REQUEST
PCL PERSONNEL SECURITY CLEARANCE
PCU PREMISE CONTROL UNIT
PDS PROTECTED DISTRIBUTION SYSTEM
PEDS PERSONAL ELECTRONIC DEVICES
PEO PROGRAM EXECUTIVE OFFICE
PHYSEC PHYSICAL SECURITY
PII PERSONALLY IDENTIFIABLE INFORMATION
PIN PERSONAL IDENTIFICATION NUMBER
PM PROGRAM MANAGER
PM PROJECT MANAGER
POA&M PLAN OF ACTION AND MILESTONES
POC POINT OF CONTACT
POP PERIOD OF PERFORMANCE
POTUS PRESIDENT OF THE UNITED STATES
PROPIN PROPRIETARY INFORMATION
PSC PHYSICAL SECURITY CERTIFICATION
PSO PROGRAM SECURITY OFFICER
PSR PROGRAM SECURITY REPRESENTATIVE
PSSAR PERSONNEL SECURITY SYSTEM ACCESS REQUEST
PSQ PRE-SCREEN QUESTIONNAIRE
PTSEWG PHYSICAL AND TECHNICAL SECURITY EXPERT WORKING GROUP
R&D RESEARCH AND DEVELOPMENT
RA RESTRICTED AREA
RD RESTRICTED DATA
REL TO RELEASABLE TO
RELIDO RELEASABLE BY INFORMATION DISCLOSURE OFFICIAL
RFI REQUEST FOR INFORMATION
RMF RISK MANAGEMENT FRAMEWORK
RF RADIO FREQUENCY
S SECRET
SAAR SYSTEM AUTHORIZATION ACCESS REQUEST
SAO SPECIAL ACCESS PROGRAM FACILITY ACCREDITING OFFICIAL
SAP SPECIAL ACCESS PROGRAM
SAPCO SPECIAL ACCESS PROGRAM CENTRAL OFFICE
SAPF SPECIAL ACCESS PROGRAM FACILITY
SAPPC SECURITY ASSET PROTECTION PROFESSIONAL CERTIFICATION
SAPS SPECIAL ACCESS PROGRAMS
SAMI SOURCES AND METHODS INFORMATION
SAR SECURITY ASSESSMENT REPORT
SAR SPECIAL ACCESS REQUIRED
SBU SENSITIVE BUT UNCLASSIFIED
SBU-NF SENSITIVE BUT UNCLASSIFIED-NOFORN
SCA SECURITY CONTROL ACCESSOR
SCI SENSITIVE COMPARTMENTED INFORMATION
SCIF SENSITIVE COMPARTMENTED INFORMATION FACILITY
SEAD SECURITY EXECUTIVE AGENT DIRECTIVE
SECDEF SECRETARY OF DEFENSE
SES SENIOR EXECUTIVE SERVICE
SETA SECURITY EDUCATION TRAINING AND AWARENESS
SETL SECURITY ENVIRONMENT THREAT LIST
SF STANDARD FORM
SFPC SECURITY FUNDAMENTAL PROFESSIONAL CERTIFICATION
SID SECURITY-IN-DEPTH
SI SPECIAL INTELLIGENCE
SIGINT SIGNALS INTELLIGENCE
SIO SENIOR INTELLIGENCE OFFICIAL
SIPR SECRET INTERNET PROTOCOL ROUTER
SIPRNET SECRET INTERNET PROTOCOL ROUTER NETWORK
SISO SENIOR INFORMATION SECURITY OFFICER
SME SUBJECT MATTER EXPERT
SNM SPECIAL NUCLEAR MATERIAL
SPIPC SECURITY PROGRAM INTEGRATION PROFESSIONAL CERTIFICATION
SPO SPECIAL ACCESS PROGRAM PERSONNEL SECURITY OFFICIAL
SPSC SECURITY PROGRAM SECURITY CREDENTIAL
SSA SECURE STORAGE AREA
SSBI SINGLE SCOPE BACKGROUND INVESTIGATION
SSM SITE SECURITY MANAGER
SSO SPECIAL SECURITY OFFICER
SSP SYSTEM SECURITY PLAN
SSR SPECIAL SECURITY REPRESENTATIVE
SPP STANDARD PRACTICE PROCEDURES
STC SOUND TRANSMISSION CLASS
SWFT SECURE WEB FINGERPRINT TRANSMISSION
T-SCIF TEMPORARY SENSITIVE COMPARTMENTED INFORMATION FACILITY
T2 TIER 2
T2S TIER 2 ENHANCED SUBJECT INTERVIEW
T3 TIER 3
T3R TIER 3 REINVESTIGATION
T4 TIER 4
T4R TIER 4 REINVESTIGATION
T5 TIER 5
T5R TIER 5 REINVESTIGATION
TACLANE TACTICAL LOCAL AREA NETWORK ENCRYPTOR
TCR TEMPEST COUNTERMEASURE REVIEW
TK TALENT KEYHOLE
TS TOP SECRET
TSCM TECHNICAL SURVEILLANCE COUNTERMEASURE
TSG TELEPHONE SECURITY GROUP STANDARD
TSCO TOP SECRET CONTROL OFFICER
TSWA TEMPORARY SECURE WORKING AREA
TS-SCI TOP SECRET-SENSITIVE COMPARTMENTED INFORMATION
U UNCLASSIFIED
UNCLASS UNCLASSIFIED
UCNI UNCLASSIFIED CONTROLLED NUCLEAR INFORMATION
UFC UNIFIED FACILITIES CRITERIA
UL UNDERWRITERS LABORATORIES
U.S.C. UNITED STATES CODE
URL UNIFORM RESOURCE LOCATOR
USD(I) UNDER SECRETARY OF DEFENSE FOR INTELLIGENCE
VOIP VOICE OVER INTERNET PROTOCOL
VSS VIDEO SURVEILLANCE SYSTEM
VTC VIDEO TELECONFERENCE
WAN WIDE AREA NETWORK
WG WORKING GROUP
WMD WEAPONS OF MASS DESTRUCTION