Blue Team A blue team is a group of individuals who perform an analysis of information systems to ensure security, identify security flaws, verify the effectiveness of each security measure, and to make certain all security measures will continue to be effective after implementation.
- wikipedia
CSIRT (Computer Security Incident Response Team) = (CERT) A Computer Emergency Response Team (CERT) is an expert group that handles computer security incidents. Alternative names for such groups include Computer Emergency Readiness Team and Computer Security Incident Response Team