Dependability is the ability of a system to perform as and when required [1]. Dependability is an inherent system property applying to any system, product, process or service involving hardware, software and human aspects. It is crucial to consider dependability in the development and application of technological and evolving systems. In today’s global business environment, dependability is a key decision factor for evaluation and acceptance of successful system performance. Dependability represents customer objectives and values and determines critical system performance to earn user trust and achieve customer satisfaction.