The term "CIRT" stands for Computer Incident Response Team. It is a specialised group of professionals who are responsible for identifying and addressing computer-related security incidents. Synonyms for the word "CIRT" include Cybersecurity Incident Response Team (CSIRT), Computer Emergency Response Team (CERT), and Incident Response Team (IRT). While each of these terms is generally used interchangeably, they have slightly different implications. For instance, CERT is often used to describe teams that are focused on addressing cybersecurity incidents in governmental or military contexts. On the other hand, CSIRT is more likely to be used in the private sector, while IRT is a more general term that can apply to any type of security incident. Ultimately, each of these terms refers to a group of professionals whose job is to keep computer systems and networks secure from cyber threats.