Adding value to business performance through cost benefit analyses of information security investments : MBA-thesis in marketing

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The purpose of this thesis is to present an approach for good practice with regards to using cost benefit analysis (CBA) as a value-adding activity in the information security investment process for large enterprises. The approach is supported by empirical data.From a MIO model perspective, this report is focused on the phase of strategic choices regarding organization, i.e. trying to find optimal investments for efficient operations. To assess, improve and monitor the operational effectiveness and management’s internal control environment is essential in today’s business execution. Executive management and boards are increasingly looking for an information security governance framework that encompasses information technology and information security: a single framework through which all information assets and activities within the organisation can be governed, to provide the optimum capability for meeting the organisation’s objectives, in terms of functionality and security.The investment decision is one of the most visible and controversial key decisions in an enterprise. Some projects are approved, others are bounced, and the rest enter the organisational equivalent of suspended animation with the dreaded request from the decision makers to “redo the business case” or “provide more information.”The concept of cost benefit analyses of information security helps management to make decisions on which initiatives to fund with how much, as there needs to be an approach for measuring and comparing different alternatives and how they meet business objectives of the enterprise. Non-financial metrics are identified using different approaches: governance effectiveness, risk analysis, business case analysis or game theory. The financial performance metrics are driven by the main value disciplines of an enterprise. These lead to the use of formulas enabling the measurement of asset utilisation, profit or growth: ROI (ROIC), NPV, IRR (MIRR), FCF, DCF, Payback Period, TCO, TBO, EVA, and ROSI.The author shows research in the field of good corporate governance and the investment approval process, as well as case studies from two multinational enterprises. The case from Motorola demonstrates how IT governance principles are equally applicable to information security governance, while the case from Ericsson demonstrates how an information security investment decision can be supported by performing a cost benefit analysis using traditional marketing approaches of business case analysis (BCA) and standard financial calculations.The suggested good practice presented in this thesis is summarised in four steps:1. Understand main rationale for the security investment2. Identify stakeholders and strategic goals3. Perform Cost Benefit Analysis (non-financial and financial performance metrics...