Ledger — Security ROI Calculator

Ledger No. 27  ·  Security Investment Case

Ledger

Enter the risk it prevents and the cost it carries — the ledger settles whether it pays for itself.

01 Risk exposure without this control

Annualized loss expectancy (ALE) without this control:

02 The security investment

/ yr
Annualized loss expectancy (ALE) with this control:

03 The ledger — over the analysis period

Risk exposure without this control
Risk exposure with this control
Cost of the solution
Net benefit

04 Verdict

POSITIVE ROI
ROSI
Return on security investment.
Net benefit
Risk avoided minus cost, over the period.
Payback
Time for avoided losses to cover the cost.

05 Full breakdown

Ledger · ROSI = (Risk avoided − Cost) / Cost Estimates only — confirm figures with stakeholders
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