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Incident playbook
A step-by-step guide for handling one type of incident the same way each time.
What it means
An incident playbook is a short, practical guide for one kind of incident, such as a leaked API key, a ransomware infection, a compromised admin account or a suspicious data export. It lists the steps, in order, with who does each one.
It sits beneath the wider incident response plan. The plan says who is in charge and how the team works. The playbook says what to do first when a specific thing goes wrong, so nobody has to invent it under pressure.
Why it matters
In the first hour of an incident, people are tired, stressed and short of facts. Decisions made then are often poor. A playbook moves the thinking to a calm time: the steps were written, reviewed and agreed before anyone needed them.
It also keeps response consistent. The same sort of incident gets the same quality of handling whether the experienced engineer or the newest one is on call, and the same evidence is saved each time. That makes review and audit much easier.
How it shows up
A good playbook is one or two pages. It states how to recognise the scenario, the severity it usually carries, the first containment actions, what evidence to save, who to tell, when to escalate, how to recover and what to check afterwards. Include the actual commands or links your team will use.
It fails when it is long, out of date, or kept where nobody can find it during an outage. Store a copy outside your main systems. Practise each one in a tabletop exercise and update it after every real incident, as part of the post-incident review.
Questions people ask
Incident playbook, answered
What is the difference between a playbook and a plan?
A plan covers the whole incident programme: roles, communication, escalation and policy. A playbook is a specific procedure for one scenario.
You usually have one plan and several playbooks.
Which playbooks should we write first?
Start with the scenarios most likely to hurt you: a leaked credential or key, an account takeover, ransomware, a data exposure, and a major outage caused by an attack.
Add others as you learn from drills and real events.
Is a playbook the same as a runbook?
The words overlap. A runbook is usually an operational procedure, such as restarting a service. A playbook is a security response guide that may link to several runbooks.
Use whichever term your team already understands.
How detailed should a playbook be?
Detailed enough that a competent person who has never seen the scenario can follow it, and short enough to use in a hurry. Use checklists, commands and names of roles.
If it needs scrolling, it is probably two playbooks.
How often should we review them?
After any incident that used them, after major system changes, and at least once a year. Contact details and tool names go stale quickly.
A drill is the best way to find out what has gone stale.
Sources
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Terms that sit next to this one
Incident response plan
A written plan for who does what in the first hours after a security incident.
Containment
Limiting an incident's spread first, before the clean-up starts.
Tabletop exercise
A talk-through of an incident scenario to test the plan without touching systems.
Security incident
An event that actually harms, or threatens to harm, your data or systems.
Incident severity levels
Agreed tiers that decide how fast and how widely an incident is escalated.
Does your playbook name the flaw?
Playbooks work best when they reflect real weaknesses. We find and prove vulnerabilities in your web apps and APIs, so the scenarios you rehearse are ones that could actually happen. Book a pilot on one app.
Or start with a $199 pilot on one application: thirty days, success criteria agreed before day one, credited against the annual if you convert.