You can download a pdf version at the bottom of the page.
| ACRONYM | DEFINITION |
| AA | American Airlines |
| AA26-097a | CISA Advisory — Iranian APT active PLC exploitation (07 Apr 2026) |
| ACLED | Armed Conflict Location & Event Data Project |
| ADCOP | Abu Dhabi Crude Oil Pipeline (UAE, Habshan–Fujairah) |
| AGL | Above Ground Level |
| AGR | Agriculture (DTR threat sector code) |
| AH-64 | Apache Attack Helicopter (Boeing) |
| AIS | Automatic Identification System (maritime vessel tracking) |
| AML | Anti-Money Laundering |
| AMS | Agricultural Marketing Service (USDA) |
| ANOPR | Advance Notice of Proposed Rulemaking |
| AP | Additional Premium (war-risk insurance) |
| APT | Advanced Persistent Threat |
| ARC | American Red Cross |
| ARES | Amateur Radio Emergency Service |
| ASAR | Area-Specific Assessment Report |
| ASD-ACSC | Australian Signals Directorate – Australian Cyber Security Centre |
| ASHP | American Society of Health-System Pharmacists |
| ATA | Annual Threat Assessment (ODNI) |
| AUH | Abu Dhabi International Airport (IATA code) |
| AUXCOMM | Auxiliary Communications |
| AVN | Aviation (DTR threat sector code) |
| BA | British Airways |
| BIMCO | Baltic and International Maritime Council |
| BLUF | Bottom Line Up Front |
| BOI | Beneficial Ownership Information (FinCEN / CTA) |
| BOM | Bill of Materials |
| BSA | Bank Secrecy Act |
| CAD | Computer-Aided Dispatch |
| CBO | Congressional Budget Office |
| CDU | Control Display Unit (aviation navigation) |
| CENTCOM | United States Central Command |
| CERT | Community Emergency Response Team |
| CET1 | Common Equity Tier 1 (bank capital ratio) |
| CF | Ceasefire |
| CFPB | Consumer Financial Protection Bureau |
| CGAS | Coast Guard Air Station |
| CH | Coronal Hole (solar weather) |
| CHEM | Chemical (DTR threat sector code) |
| CI | Critical Infrastructure |
| CIRCIA | Cyber Incident Reporting for Critical Infrastructure Act |
| CISA | Cybersecurity and Infrastructure Security Agency |
| CLARITY Act | Digital Asset Market Clarity Act (proposed) |
| CMA CGM | Compagnie Maritime d’Affrètement – Compagnie Générale Maritime |
| CMBS | Commercial Mortgage-Backed Securities |
| CMMI | Center for Medicare and Medicaid Innovation (CMS) |
| CMS | Centers for Medicare & Medicaid Services |
| COG | Continuity of Government |
| COGCON | Continuity of Government Condition |
| COMCON | Communications Condition (Fortune Favors the Prepared scale) |
| CON | Certificate of Need (healthcare) |
| COW | Cell on Wheels (deployable cellular base station) |
| CRE | Commercial Real Estate |
| CREU | Computing-Related Energy Use (DATA Act exemption term) |
| CSET | Center for Security and Emerging Technology |
| CTA | Corporate Transparency Act |
| CVE | Common Vulnerabilities and Exposures |
| CVSS | Common Vulnerability Scoring System |
| CYB | Cyber (DTR threat sector code) |
| CYBERCON | Cybersecurity Condition (DTR Alert Panel) |
| CZIB | Conflict Zone Information Bulletin (EASA) |
| DC | Data Center |
| DDoS | Distributed Denial of Service |
| DEFCON | Defense Readiness Condition (estimated) |
| DFPI | California Department of Financial Protection and Innovation |
| DIB | Defense Industrial Base (DTR threat sector code) |
| DISRUPT Act | Defense and Intelligence Support to Protect and React from Unprecedented Threats Act (NDAA §1273) |
| DMAT | Disaster Medical Assistance Team |
| DMR | Digital Mobile Radio |
| DoD | Department of Defense |
| DOH | Doha, Qatar (IATA airport code) |
| DOJ | Department of Justice |
| DPB | Daily Preparedness Brief |
| DPRK | Democratic People’s Republic of Korea (North Korea) |
| DSH | Disproportionate Share Hospital |
| DTR | Daily Threat Report |
| DTR-SAR | Daily Threat Report — Search and Rescue Edition |
| DVE | Domestic Violent Extremism |
| EAS | Emergency Alert System |
| EASA | European Union Aviation Safety Agency |
| ECG | Electrocardiogram |
| ECS | Emergency Conflict Surcharge (shipping) |
| ED | Emergency Directive (CISA) |
| EHR | Electronic Health Record |
| EIA | Energy Information Administration |
| EM | Emergency Management / Emergency Manager |
| EMAC | Emergency Management Assistance Compact |
| EMCOMM | Emergency Communications |
| EOC | Emergency Operations Center |
| EOP | Emergency Operations Plan |
| EOPL | East of Port Klang (shipping transshipment zone, Malaysia) |
| ePHI | Electronic Protected Health Information |
| ERCOT | Electric Reliability Council of Texas |
| EW | Electronic Warfare |
| FBI | Federal Bureau of Investigation |
| FBSO | Fort Bend County Sheriff’s Office |
| FCC | Federal Communications Commission |
| FCEB | Federal Civilian Executive Branch |
| FEMA | Federal Emergency Management Agency |
| FERC | Federal Energy Regulatory Commission |
| FEU | Forty-Foot Equivalent Unit (shipping container) |
| FIN | Finance / Financial (DTR threat sector code) |
| FinCEN | Financial Crimes Enforcement Network |
| FINRA | Financial Industry Regulatory Authority |
| FIR | Flight Information Region |
| FMAP | Federal Medical Assistance Percentage |
| FOA | Fighting Online Antisemitism |
| FPCON | Force Protection Condition (estimated) |
| FS-ISAC | Financial Services Information Sharing and Analysis Center |
| GAO | Government Accountability Office |
| GBU-72 | Guided Bomb Unit-72 (Advanced 80,000-lb penetrator munition) |
| GCC | Gulf Cooperation Council |
| GENIUS Act | Guiding and Establishing National Innovation for US Stablecoins Act |
| GEO | Geopolitical (DTR threat sector code) |
| GNSS | Global Navigation Satellite System |
| GPS | Global Positioning System |
| GSIB | Global Systemically Important Bank |
| GTR | Global Threat Report (CrowdStrike annual publication) |
| HAYI | Harakat Ashab al-Yamin al-Islamia (Iran-linked European proxy group) |
| HCSO | Harris County Sheriff’s Office |
| HF | High Frequency (radio, 3–30 MHz) |
| HFGCS | High Frequency Global Communications System (USAF) |
| HGX | NWS Houston/Galveston Weather Forecast Office identifier |
| HIPAA | Health Insurance Portability and Accountability Act |
| HPD | Houston Police Department |
| HPOP | HHS Health Preparedness and Operations Program |
| HRSA | Health Resources and Services Administration |
| HSEEP | Homeland Security Exercise and Evaluation Program |
| HSS | High-Speed Stream (solar wind / coronal hole outflow) |
| IATA | International Air Transport Association |
| IC | Intelligence Community |
| ICP | Incident Command Post |
| ICS | Incident Command System; also Industrial Control Systems (context-dependent) |
| IDF | Israel Defense Forces |
| IEA | International Energy Agency |
| IED | Improvised Explosive Device |
| IEEPA | International Emergency Economic Powers Act |
| INS | Inertial Navigation System; also Instability (DTR threat sector code) |
| IO | Information Operations (DTR threat sector code) |
| IOC | Indicator of Compromise |
| IPAWS | Integrated Public Alert and Warning System |
| IRGC | Islamic Revolutionary Guard Corps (Iran) |
| IRGC-CEC | IRGC Cyber-Electronic Command |
| IS | Islamic State (ISIS/ISIL) |
| ISM | Institute for Supply Management |
| JBLM | Joint Base Lewis-McChord |
| JSOCC | Jewish Stakeholder and Operations Coordination Call (SCN) |
| JTTF | Joint Terrorism Task Force |
| JWC | Lloyd’s Joint War Committee |
| KEV | Known Exploited Vulnerability (CISA KEV catalog) |
| KFF | KFF Health Policy Research (formerly Kaiser Family Foundation) |
| KHUM | Houma-Terrebonne Airport ICAO identifier |
| KIA | Killed in Action |
| Kp | Planetary K-index (geomagnetic disturbance scale, 0–9) |
| LADOTD | Louisiana Department of Transportation and Development |
| LA-GOHSEP | Louisiana Governor’s Office of Homeland Security and Emergency Preparedness |
| LANG | Louisiana Army National Guard |
| LEO | Low Earth Orbit |
| LHA | Landing Helicopter Assault (US Navy amphibious ship class) |
| LME | London Metal Exchange |
| LMR | Land Mobile Radio |
| LNG | Liquefied Natural Gas |
| LPSO | Lafourche Parish Sheriff’s Office |
| MBA | Mortgage Bankers Association |
| MCAS | Marine Corps Air Station |
| MCB | Marine Corps Base |
| MCP | Master Continuity Professional (credential, DRI International) |
| MCSO | Montgomery County Sheriff’s Office |
| MEP | Master Exercise Practitioner (credential, FEMA) |
| MFA | Multi-Factor Authentication |
| MHX | NWS Newport/Morehead City Weather Forecast Office identifier |
| MLCAPE | Mixed-Layer Convective Available Potential Energy (severe weather metric) |
| MMBtu | Million British Thermal Units |
| MoE | Mixture of Experts (AI model architecture) |
| MOIS | Ministry of Intelligence and Security (Iran) |
| MRE | Meal, Ready to Eat |
| MSC | Mediterranean Shipping Company |
| MUSC | Medical University of South Carolina |
| MVFR | Marginal Visual Flight Rules |
| NATO | North Atlantic Treaty Organization |
| NAVCEN | Navigation Center (USCG — GPS/GNSS GUIDE Tool) |
| NCEM | North Carolina Emergency Management |
| NDAA | National Defense Authorization Act |
| NDBC | National Data Buoy Center (NOAA) |
| NGO | Non-Governmental Organization |
| NIAHO | National Integrated Accreditation for Healthcare Organizations (DNV) |
| NIM | Net Interest Margin (banking) |
| NM | Nautical Mile |
| NOAA | National Oceanic and Atmospheric Administration |
| NOTAM | Notice to Air Missions |
| NPRM | Notice of Proposed Rulemaking |
| NSGP | Nonprofit Security Grant Program (DHS) |
| NSI | National Security Institute |
| NTAS | National Terrorism Advisory System |
| NTP | Network Time Protocol |
| NVIS | Near-Vertical Incidence Skywave (HF propagation mode for regional coverage) |
| NWS | National Weather Service |
| NYDFS | New York Department of Financial Services |
| OBBBA | One Big Beautiful Bill Act (signed 4 Jul 2025) |
| OCC | Office of the Comptroller of the Currency |
| OCR | Office for Civil Rights (HHS) |
| ODNI | Office of the Director of National Intelligence |
| OEM | Office of Emergency Management |
| OFAC | Office of Foreign Assets Control (US Treasury) |
| OHSEM | Office of Homeland Security and Emergency Management |
| OPPS | Outpatient Prospective Payment System (CMS) |
| OSINT | Open Source Intelligence |
| OT | Operational Technology |
| P25 | Project 25 (APCO/TIA public safety digital radio standard) |
| PACS | Picture Archiving and Communication System |
| PAYGO | Pay-As-You-Go (federal budget scoring rules) |
| PCE | Personal Consumption Expenditures (Fed inflation measure) |
| PFD | Personal Flotation Device |
| PHL | Philadelphia International Airport (IATA code) |
| P&I | Protection and Indemnity (maritime insurance clubs) |
| PLA | People’s Liberation Army (China) |
| PLC | Programmable Logic Controller |
| PMI | Purchasing Managers Index (ISM) |
| PoP | Probability of Precipitation |
| PPE | Personal Protective Equipment |
| PREP-CON | Preparedness Condition (Fortune Favors the Prepared readiness scale) |
| PSAP | Public Safety Answering Point (911 dispatch center) |
| PSIRT | Product Security Incident Response Team |
| PSKReporter | Propagation Spot Keeper Reporter (amateur radio real-time propagation network) |
| PTP | Precision Time Protocol |
| PTT | Push-to-Talk |
| PWR | Power / Energy (DTR threat sector code) |
| RACES | Radio Amateur Civil Emergency Service |
| RBN | Reverse Beacon Network (amateur radio propagation tool) |
| RCE | Remote Code Execution |
| RDP | Remote Desktop Protocol |
| RDU | Raleigh-Durham International Airport |
| RECC | Regional Emergency Communications Center |
| RFI | Request for Information |
| RMM | Remote Monitoring and Management (software tools) |
| ROAD Act | Revitalizing Outdated and Aging Dwellings Act (Senate housing bill) |
| SALUTE | Size, Activity, Location, Unit, Time, Equipment (military/intel reporting format) |
| SAME | Specific Area Message Encoding (NOAA Weather Radio alert targeting) |
| SAR | Search and Rescue |
| SAT | Satellite (DTR threat sector code) |
| SAT-ENV | Satellite Environmental sub-track (DTR COMMS section) |
| SAT-NET | Satellite Network sub-track (DTR COMMS section) |
| SC | Supply Chain (DTR threat sector code) |
| SCADA | Supervisory Control and Data Acquisition |
| SCFI | Shanghai Containerized Freight Index |
| SCN | Secure Community Network |
| SDOH | Social Determinants of Health |
| SD-WAN | Software-Defined Wide Area Network |
| SEOC | State Emergency Operations Center |
| SFI | Solar Flux Index (10.7 cm radio flux, proxy for solar activity) |
| SHIP Act | Stopping Harmful Imports and Penalizing Iran Act |
| SIGINT | Signals Intelligence |
| SNSC | Supreme National Security Council (Iran) |
| SOC | Security Operations Center |
| SOP | Standard Operating Procedure |
| SPC | Storm Prediction Center (NOAA) |
| SPOT | Satellite Personal Tracker (Globalstar product line) |
| SPR | Strategic Petroleum Reserve |
| STEO | Short-Term Energy Outlook (EIA monthly publication) |
| STSB | Soft Target Security Brief |
| SVR | Foreign Intelligence Service of Russia |
| SWIFT | Society for Worldwide Interbank Financial Telecommunication |
| SWPC | Space Weather Prediction Center (NOAA) |
| SWX | Space Weather (DTR threat sector code) |
| T1 / T2 / T3 | Tier 1 / Tier 2 / Tier 3 (DTR source reliability classification) |
| TAC | Tactical (radio channel designation) |
| TAF | Terminal Aerodrome Forecast |
| TDEM | Texas Division of Emergency Management |
| TER | Terrorism (DTR threat sector code) |
| TEU | Twenty-Foot Equivalent Unit (standard shipping container) |
| THB | The Household Brief |
| TILF | Turtle Island Liberation Front |
| TJC | The Joint Commission (healthcare accreditation) |
| TLV | Tel Aviv Ben Gurion International Airport (IATA code) |
| TMC | Texas Medical Center |
| TPM26 | Trans-Pacific Maritime Conference 2026 |
| TPSO | Terrebonne Parish Sheriff’s Office |
| TRV | Travel (DTR threat sector code) |
| TSA | Transportation Security Administration |
| TTP | Tactics, Techniques, and Procedures |
| TxDOT | Texas Department of Transportation |
| TxWARN | Texas Wide Area Radio Network (P25 statewide system) |
| UANI | United Against Nuclear Iran |
| UAS | Unmanned Aircraft System (drone) |
| UAT-8616 | Cisco Talos threat actor cluster designation (Cisco SD-WAN exploitation) |
| UDAAP | Unfair, Deceptive, or Abusive Acts or Practices (consumer protection) |
| UHF | Ultra High Frequency (radio, 300 MHz–3 GHz) |
| UPS | Uninterruptible Power Supply |
| USCG | United States Coast Guard |
| USDA | United States Department of Agriculture |
| USGS | United States Geological Survey |
| USNI | United States Naval Institute |
| VCC | Virtual Command Center (Everbridge platform) |
| VDEM | Virginia Department of Emergency Management |
| VFR | Visual Flight Rules |
| VHF | Very High Frequency (radio, 30–300 MHz) |
| VIPER | Voice Interoperability Plan for Emergency Responders (NC statewide P25 system) |
| VOACAP | Voice of America Coverage Analysis Program (HF propagation modeling tool) |
| VoIP | Voice over Internet Protocol |
| VPN | Virtual Private Network |
| WAT | Water (DTR threat sector code) |
| WEA | Wireless Emergency Alert |
| WFO | Weather Forecast Office (NWS) |
| WIA | Wounded in Action |
| WPU | Water Purification Unit |
| WRS | War Risk Surcharge (shipping) |
| WTI | West Texas Intermediate (US crude oil benchmark) |
| WWV | NIST HF radio time/frequency broadcast station (2.5, 5, 10, 15, 20 MHz) |
| WX | Weather (common abbreviation; also DTR threat sector code) |
| XAU | ISO 4217 symbol for Gold (commodity markets) |