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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