This is partially right. The best way to think of an incident is that it has negatively impacted Confidentiality, Integrity, or Availability (the CIA triad).

This is partially right. The best way to think of an incident is that it has negatively impacted Confidentiality, Integrity, or Availability (the CIA triad). An incident does mean something bad has happened, and requires action. An example of an action can be to investigate the impact, or to shut something down, or to patch something.