// return on security investment
Risk ROI calculator
Weigh a security control's annual cost against the risk it removes. Uses the standard Return on Security Investment (ROSI) formula: (risk reduction − cost) ÷ cost.
Current exposure and proposed control
55%
Return on security investment
ROSI
↑0%
net benefit relative to cost
Risk reduction value$0
Annual cost of control$0
Net annual benefit
$0
Payback period
—
0mo6mo12mo18mo24mo
ROSI is a widely used but simplified model — it treats risk reduction as a certain annual cash value, which real-world risk is not. Use it to compare and prioritize candidate controls, not as a guaranteed financial return.