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Questions about a formula, a stale benchmark, a coefficient that looks off, or a calculation you'd dispute? I want to hear it — corrections keep the model honest and are credited.

Please note: BreachCostLab is a calculator and reference hub, not a security vendor or law firm. We cannot provide incident response, breach handling, or legal, insurance or compliance advice. If you are dealing with a live breach, contact a qualified incident-response provider and your counsel.

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What's useful in a report

The tool, table or guide URL, and the inputs you used.
For a benchmark correction: a link to the current primary source (IBM, DBIR, or the statute) and the figure it gives.
For a methodology question: what you expected versus what the tool returned.

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