Group of individuals usually consisting of security analysts organized to develop, recommend, and coordinate immediate mitigation actions for containment, eradication, and recovery resulting from CS incidents. Note: Also called a "Computer Incident Response Team," "Computer Security Incident Response Team (CSIRT)," or a "CIRC (Computer Incident Response Center or a Computer Incident Response Capability)".
Sources:
CNSSI 4009-2022
under cyber incident response team