Industrial Cybersecurity & OT Risk calculator

Incident Response Cost Calculator

Incident response cost estimates what a single OT or ICS security incident will cost to contain, eradicate, and recover from. OT security managers, plant controllers, and risk officers use it to budget retainers, justify response tooling, and set realistic expectations with insurers and executives. The cost of an industrial incident is dominated by hands-on work — forensics on isolated controllers, re-imaging HMIs, validating safety systems — plus a fixed block of coordination, legal, and command-center overhead that you incur no matter the size. This calculator breaks the estimate into variable response work and fixed coordination so you can see which lever actually moves the bill.

What this calculator does

  • Estimate OT incident response cost using response work packages, cost per package, affected scope, and fixed coordination costs.
  • Use it when budgeting tabletop findings, OT response retainers, recovery exercises, or cyber incident cost scenarios.
  • It estimates total incident response cost by scaling response work packages by their unit cost and the share of scope in play, then adding fixed coordination cost.

Formula used

  • Variable incident response cost = OT response work packages × cost per response work package × incident scope included
  • Total incident response cost = variable incident response cost + fixed incident coordination cost

Inputs explained

  • OT response work packages:
  • Cost per response work package:
  • Incident scope included:
  • Fixed incident coordination cost:

How to use the result

  • Use it when scoping an incident retainer, building a tabletop exercise budget, or producing a rapid cost estimate during an active OT incident.
  • It models direct response labor and coordination only — it excludes production downtime, lost revenue, regulatory fines, and reputational cost, which often dwarf the response bill.

Common questions

  • How do you calculate incident response cost? Multiply the number of response work packages by the cost per package and by the share of scope included, then add the fixed coordination cost. Here: 24 × $6,500 × 75% = $117,000 variable, plus $30,000 fixed = $147,000 total.
  • What is a response work package in OT incident response? A discrete unit of response effort — for example, forensically imaging one controller, rebuilding one HMI, or validating one safety loop — each carrying a roughly comparable labor and tooling cost.
  • Why apply an incident scope percentage? Not every cataloged work package is triggered in a given incident; the scope percentage scales the variable cost to the share of packages actually in play — 75% in the example.
  • What goes into the fixed coordination cost? The incident commander, legal and PR retainer, command-center standup, and insurer notification — costs you pay even for a small incident. The example uses $30,000.
  • Does this include production downtime? No. This figure is the response spend only. For a true incident loss you must add lost production, scrap, expediting, and any regulatory or contractual penalties separately.

Last reviewed 2026-05-12.