An incident response team (IRT) or computer incident response team (CIRT) or is a group of experts responsible for responding to, managing and mitigating security incidents. An incident response team investigates, analyses and remediates incidents and manages internal and external communications in the event of an attack. Its role can also include developing and maintaining an incident response plan and assessing potential changes in technology, training and other aspects following a security incident. Another important role for incident response teams is running trials of an organization’s incident response approach based around real-world scenarios.