Glossary
TFR (Temporary Flight Restriction)
TFR (Temporary Flight Restriction) is an FAA airspace closure for VIPs, security events, wildfires, or major events. Learn what triggers TFRs and why they matter.
Glossary
NOTAM (Notice to Air Missions)
NOTAM (Notice to Air Missions) is an FAA advisory about non-permanent airspace conditions. Learn what NOTAMs cover and why they matter for venue operations.
Glossary
NTAS (National Terrorism Advisory System)
NTAS (National Terrorism Advisory System) is DHS's federal threat-level communication channel. Learn how NTAS bulletins shape event security operations.
Glossary
OPSEC (Operations Security)
OPSEC (Operations Security) is the discipline of denying adversaries information about your operations. Learn OPSEC principles for event security teams.
Glossary
Threat Intelligence
Threat intelligence is evidence-based knowledge about existing or emerging threats. Learn the four threat-intel tiers and how event security uses them.
Glossary
OSINT (Open-Source Intelligence)
OSINT (Open-Source Intelligence) is intelligence derived from publicly available data. Learn OSINT sources, methods, and applications in event security.
Glossary
SIGINT (Signals Intelligence)
SIGINT (Signals Intelligence) is intelligence derived from intercepted communications and electronic signals. Learn how SIGINT differs from OSINT.
Glossary
HUMINT (Human Intelligence)
HUMINT (Human Intelligence) is intelligence gathered from human sources. Learn how HUMINT differs from OSINT and where it fits in event security workflows.
Glossary
SOCMINT (Social Media Intelligence)
SOCMINT (Social Media Intelligence) is intelligence derived from social media. Learn SOCMINT sources, methods, and use in event security operations.
Glossary
GEOINT (Geospatial Intelligence)
GEOINT (Geospatial Intelligence) is intelligence derived from satellite imagery, maps, and geospatial data. Learn GEOINT sources and event-security applications.
Glossary
Fusion Center
A fusion center is a state or major-urban-area facility that combines federal, state, local, and private threat information. Learn the role of fusion centers.
Glossary
ICP (Incident Command Post)
ICP (Incident Command Post) is the field-level command location for an incident response under the Incident Command System. Learn ICP roles for event security.
Glossary
SOC (Security Operations Center)
SOC (Security Operations Center) is the team and facility responsible for monitoring and responding to security threats. Learn the SOC role in event security.
Glossary
VBIED (Vehicle-Borne Improvised Explosive Device)
VBIED (Vehicle-Borne Improvised Explosive Device) is a vehicle used as an explosive delivery system. Learn VBIED indicators relevant to event security planning.
Glossary
Crowd Density Monitoring
Crowd density monitoring measures people-per-square-meter to prevent crowd crushes. Learn density thresholds, methods, and how OSINT helps detect surge precursors.