MFA Risk Reduction
Free MFA Risk Reduction calculator with clear step-by-step results.
About MFA Risk Reduction
MFA dramatically cuts the likelihood of credential-based compromise.
Formula
Formula
MFA blocks ~95% of account attacks on covered accounts
Worked example
With the default values below, MFA Risk Reduction returns Risk Reduction of 8.6%. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Baseline breach risk (%)accepts 0–100
- 10
- Accounts covered by MFA (%)accepts 0–100
- 90
Results
- Risk Reduction
- 8.6%
- Remaining Risk
- 1.5%
- Coverage Note
- Close the coverage gap first
Step by step
- 1Values used
- 2Formula
- 3Risk Reduction= 8.6
- 4Remaining Risk= 1.5
- 5Coverage Note= Close the coverage gap first
Assumptions and limits
- The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 1 decimal place, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How does this calculator work?
MFA dramatically cuts the likelihood of credential-based compromise.
Why does this matter?
Phishing-resistant methods are even stronger.