Data Breach Cost Calculator
What a breach really costs.
Calculate total data breach cost across all components. Enter records exposed and cost per record for an instant result.
What this tool does
This tool calculates total data breach cost including per-record costs, fines, remediation, and reputational loss.
Enter Values
Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Data breach costs extend beyond direct records. IBM 2024 report: 150 average per record + regulatory fines + remediation + lost business. This calculator sums all components.
10,000 records × 150 + 50,000 fines + 80,000 remediation + 200,000 lost revenue = 1,830,000 total breach cost. For most SMBs this is existential without insurance.
Use to justify security investment. Breach cost vs annual security spend makes prioritisation clearer. Even 1% breach probability reduction saves many multiples of typical security spend.
Quick example
With records exposed of 10,000 and cost per record of 150 (plus regulatory fines of 50,000 and remediation cost of 80,000), the result is 1,830,000.00. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.
Which inputs matter most
You enter Records Exposed, Cost per Record, Regulatory Fines, Remediation Cost, and Reputational Revenue Loss. Frequency and unit price pull the total in different directions. The biggest surprise for most people is how small recurring amounts compound into large annual figures — that's where this calculation earns its keep.
What's happening under the hood
Total = records × per-record + fines + remediation + reputational loss. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.
What to do with a low result
A disappointing result is information, not a judgement. Pick the single input that dragged the figure down most and focus the next quarter on that one factor. Breadth-first improvement rarely works; depth-first on the worst input usually does.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
10,000 × £150 £ + £50,000 £ + £80,000 £ + £200,000 £ = $1,830,000.00.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
Total = records × per-record + fines + remediation + reputational loss.
References
Frequently Asked Questions
What drives GDPR fines?
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