The incident response process
There are many industry standards, recommendations, and best practices that can help you to create your own incident response. You can still use those as a reference to make sure you cover all the relevant phases for your type of business. The one that we are going to use as a reference in this book is the computer security incident response (CSIR)—publication 800-61R2 from NIST [1]. Regardless of the one you select to use as a reference, make sure to adapt it to your own business requirements. Most of the time in security the concept of "one size fits all" doesn't apply; the intent is always to leverage well-known standards and best practices and apply them to your own context. It is important to retain the flexibility to accommodate your business needs in order to provide a better experience when operationalizing it.
Reasons to have an IR process in place
Before we dive into more details about the process itself, it is important...