Incident Response Kit 2027: Your First 48 Hours

Our guide gives you an editable IR plan, an incident report template, a first-48-hours checklist, and a ransomware tabletop script, so you can:

  • Map every regulator deadline, from the 24-hour NIS2 warning to SEC filings
  • Apply a NIST SP 800-61r3 plan your team can run on day one
  • Score your plan in 90 minutes, backed by UnderDefense Agentic AI SOC's IR experts
Why Use the Incident Response Kit 2027?
NIS2, DORA, and the SEC disclosure rule now put incident notices on clocks measured in hours and days, and a plan has to say who starts them.
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Act in the right order.
A first-48-hours checklist splits the response into three windows, from declaring the incident to sending notices and restoring clean systems.
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Know every clock that applies.
One table lists GDPR, NIS2, DORA, SEC, and HIPAA deadlines with what starts each clock and who it covers.
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Start from a working plan.
Editable IR plan and incident report templates, aligned with NIST SP 800-61 Rev. 3, replace the plan nobody opens.
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Test it before an attacker does.
A 90-minute ransomware tabletop with four timed injects and a scored debrief shows your gaps while they cost nothing.
Download the Incident Response Kit 2027
What's Inside?
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An Incident Response Plan Template in Google Docs, aligned with NIST SP 800-61 Rev. 3, with roles, a four-level severity matrix, activation steps, and an offline contact sheet.
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An Incident Report Template with a UTC timeline, an evidence log, a notifications log that records each rule, deadline, and send time, and a root-cause section with owners.
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A first-48-hours checklist in three time windows, plus a regulator table covering GDPR, NIS2, DORA, SEC Form 8-K, and HIPAA deadlines with what starts each clock.
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A 90-minute ransomware tabletop script with a timed agenda, four injects from first alert to press inquiry, questions for each role, and a debrief scored out of 10.
Incident Response Kit 2027 guide cover
Get the Incident Response Kit 2027
to run your first 48 hours in order, meet every notification clock, and rehearse it before a real attack.
Download the IR Kit Now

Why UnderDefense?

At UnderDefense, we step in when an incident outgrows your team, containing it on the EDR and SIEM you already run.

  • A human on critical alerts: 20-minute SLA response time for critical alerts.
  • Capacity for a big incident: 150+ IR experts across 3 global centers.
  • Evidence kept for regulators: Containment and documentation in the same motion.
  • Works on your current stack: 250+ integrations, layered on your existing tools.
  • Proven under real pressure: Ransomware attempt fully contained in 43 minutes.
UnderDefense Agentic AI SOC