You are the Chief Information Security Officer (CISO) for Global Retail Enterprise. Following a minor data exfiltration incident involving a departing employee, the security team is proposing a comprehensive, AI-driven Insider Threat Management and Data Loss Prevention (DLP) program.
As the CISO, you must justify this expenditure to the board. The fundamental principle of security governance is that security is a business enabler, not a black hole for capital. When you run the ROI calculations to present to the CFO, you are ultimately trying to answer one overarching strategic question regarding the proposed DLP solution.
Security practitioners often suffer from "tunnel vision," believing that all risks must be mitigated regardless of cost. The business, however, views security strictly through the lens of capital optimization and risk tolerance. The CISO must bridge this gap by proving the financial viability of security proposals.
The security team wants the $2.5M DLP platform to stop data leakage. The CFO looks at the math: the annualized cost of the solution is roughly $1.33M ($2.5M/3 yrs + $500k), while the projected Annualized Loss Expectancy (ALE) is only $1.2M. From a pure financial perspective, the company loses money by implementing this specific control.
Implementing security controls that cost more than the risk they mitigate destroys shareholder value. If a CISO continually proposes negative-ROI projects, they will lose credibility with the board, and their budgets will be aggressively slashed.
D. is the absolute cornerstone of Information Security Governance. The primary goal of ROI in security is a Cost-Benefit Analysis (CBA). The business must establish that the value of the mitigation (the loss prevented) is greater than the total cost of ownership (TCO) of the solution.
Options A and B describe specific inputs and mathematical components (NPV, ALE) used during the assessment phase. They are not the *reason* the analysis is presented to the board. Option C is a procurement activity, secondary to the overarching risk-vs-cost justification.
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