Alert state

For the American hardcore punk group, see State of Alert.

"Threat analysis" redirects here. For the process of identifying potential threats to computer systems, see Threat model.

An alert state or state of alert is an indication of the state of readiness of the armed forces for military action or a state against natural disasters, terrorism or military attack. The term frequently used is "on high alert".^[1] Examples scales indicating alert state are the DEFCON levels of the US military,^[2] South Korea's "Jindogae" system,^[3] and the UK Threat Levels.^[4] High alert states are synonymous with "red alert".^[5]

See also

• Combat readiness
• EMERGCON
• FPCON
• INFOCON
• LERTCON
• REDCON
• Situation awareness
• Torino scale
• COGCON

Historic/Defunct:

• United States color-coded war plans
• HANDEL
• Homeland Security Advisory System
• BIKINI state
• CONELRAD
• Four-minute warning
• Preparing for Emergencies