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Incident Response Plan

An incident response plan consolidates an organization's procedures, roles, tools, and training into a single reference document used to guide teams through detecting, containing, and resolving security incidents. Playbooks and runbooks are scenario-specific documents within that plan that provide structured, repeatable steps for handling threats like ransomware, data exfiltration, or social engineering.

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About this video

Compliance frameworks and regulatory requirements are pushing organizations across industries to formalize how they respond to security incidents, making a well-structured incident response plan an operational necessity. This plan serves as a single, authoritative document that defines what constitutes an incident, establishes roles and responsibilities, identifies the tools in use, and outlines training, testing, and automation requirements. Rather than improvising under pressure, security teams pull out this document when an incident occurs and use it to drive a coordinated, consistent response. A core component of any incident response plan is its collection of playbooks and runbooks — predefined procedural documents that guide responders through specific threat scenarios. Once an incident is detected and triaged, the appropriate playbook or runbook is selected based on what is happening. A ransomware attack, a data exfiltration event, and a social engineering incident each call for a different set of procedures, and having those procedures documented in advance ensures that responders can move efficiently through containment, eradication, and recovery without having to determine the approach in real time. While some organizations use the terms playbook and runbook interchangeably, others distinguish between them — playbooks representing broader, strategic response processes and runbooks providing granular, step-by-step instructions. Regardless of terminology, the underlying goal is the same: establishing documented, repeatable procedures ahead of time so that when an incident occurs, the focus can remain on resolving the issue rather than figuring out how to respond.

What you'll learn

What's covered

Incident Response Plan

Aligned to

NIST 800-53
IR-8 Incident Response Plan
NIST CSF
RS.MA-01 The incident response plan is executed in coordination with relevant third parties once an incident is declared.
ID.IM-04 Incident response plans and other cybersecurity plans that affect operations are established, communicated, maintained, and improved.
ISC2 CISSP
7.6 Conduct incident management
CompTIA Security+
4.8 Explain appropriate incident response activities.
CompTIA CySA+
3.2 Given a scenario, perform incident response activities.
3.3 Explain the preparation and post-incident activity phases of the incident management life cycle.
CompTIA SecurityX
4.4 Explain incident response and recovery procedures.

Key terms

Incident Response
IR
A structured process for identifying, containing, eradicating, and recovering from security incidents.
Security Information and Event Management
SIEM
A system that aggregates and analyzes security event data from across an organization to detect and respond to threats.
Ransomware
A type of malware that encrypts a victim's files and demands payment in exchange for the decryption key.
Data Exfiltration
The unauthorized transfer of data from a system to an external destination.
Social Engineering
A manipulation technique that exploits human psychology to trick individuals into revealing confidential information.
Playbook
A security playbook is a structured set of predefined response procedures for specific incident types, guiding analysts through detection, containment, eradication, and recovery steps in a consistent and repeatable manner.
Runbook
A detailed, step-by-step set of instructions used to guide responders through a specific incident response task or scenario.

Topics

Incident Response Security Operations Playbooks And Runbooks Threat Containment Cybersecurity

Transcript

There's a lot of compliance things out there now that are requiring many businesses to have some sort of incident response plan. An incident response plan is just everything that we create around incident response, in a plan form.

There are a lot of things that we may want to do so we can prepare for an incident. We would outline things like: what is an incident? What are our responses and procedures to it? Our roles and responsibilities, tools, testing, training and automation. These are the type of things that go into an incident response plan. So our incident response plan is just all of these components rolled into this one document. That way, when there is an incident, we pull out this document, this plan, and then we start referencing the plan to help fix whatever incident that we have and be able to overcome it.

Playbooks and runbooks

A big part of this plan is going to be going over the processes and procedures during an incident. Within this we will outline the process that we use to overcome these incidents. That's where playbooks or runbooks come into play. Playbooks and runbooks are those documents that we pull out and then start following when there are different issues that arise. We may have playbooks and runbooks that are more generic, or that are very specific to whatever we're encountering at that time.

So what we'll be doing is we'll be detecting that there is some sort of issue on the system. We'll analyze and look into what is going on, and based off of that we'll choose a certain playbook or runbook so that we can carry out a containment, eradication, and recovery.

Now, some places may use playbook and runbook interchangeably, while others define that there's a difference: a playbook as more broad and strategic processes, versus runbooks being very specific step-by-step instructions. I don't think we care about that too much at this point in time. Just realize that we want procedures set out ahead of time that we're going to pull out and follow.

Scenarios

There are a lot of things that could happen that would cause an incident. So what we may want to do is analyze what the scenarios are and come up with a different set of processes and procedures depending on what the scenario is. For instance, we may see ransomware, and that might require one set of procedures to follow, versus data exfiltration would be a different process, versus social engineering would be a different checklist. So what we may have is a playbook or runbook for each of these different scenarios. A playbook or runbook just gives us a set of instructions that we're going to follow to carry out and eliminate this issue.

In essence, when we detect that there is an issue, that there is an incident, we're going to analyze that incident, do some troubleshooting, and triage that. Based off of that information, then we will determine what playbook or runbook we need to use to be able to carry out and fix the issue.

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