Data Breach Cost Calculator
Turning a Records Count Into a Budget Number
When a breach exposes customer records, the immediate technical fix is only part of the response — notification costs, credit monitoring, regulatory fines, forensic investigation, and reputational damage all scale roughly with how many records were exposed. Multiplying an estimated per-record cost by the number of affected records gives a rough order-of-magnitude figure for planning and insurance purposes.
The Formula
The cost-per-record figure is a user-adjustable, industry-average estimate — this calculator defaults to $165 per record, a commonly cited industry benchmark, but actual breach costs vary widely by industry, region, and breach severity, so treat the result as a planning estimate rather than a precise forecast.
Where This Matters
- Cyber insurance planning — estimating potential exposure when sizing a cyber liability policy.
- Incident response budgeting — getting an early order-of-magnitude cost estimate immediately after a breach is discovered, before full forensic costs are known.
- Risk communication to leadership — translating "10,000 records exposed" into a dollar figure executives can act on.
Worked Example
| Records breached | Estimated cost (@ $165/record) |
|---|---|
| 1,000 | $165,000 |
| 10,000 | $1,650,000 |
| 100,000 | $16,500,000 |
Estimated Cost = Records × $165. The $165 figure is this calculator's default assumption, not a fixed universal cost — enter your own per-record estimate for a more tailored figure.
How to Use This Calculator
- Enter the Number of Records Breached.
- Enter the Average Cost per Record ($) — defaults to $165 but can be adjusted to your own estimate.
- Select Calculate to get the estimated total breach cost.
Related Calculations
For understanding how attackers might have gotten in, see the Password Strength Calculator, or score the underlying vulnerability with the CVSS Score Calculator.