Process

The incident response process is a structured approach used by organizations to identify, manage, and mitigate security incidents. These incidents could include cybersecurity breaches, data breaches, network intrusions, and other events that could harm an organization’s information systems or data.

Figure 21.1 illustrates a simple version of the incident response process:

Figure 21.1: Incident response process

The incident response process must be carried out in the following order:

1. Preparation: In the preparation phase, organizations establish and maintain incident response plans. These plans should be regularly updated to address evolving threats. This is the stage at which the Cybersecurity Incident Response Team (CSIRT) is assembled and a discrete communication plan established to notify them about any new incidents without advising the general public. It should only become available to the general public after the incident...