Information Assurance

6.2. Basic Concepts and Related Work

In this section, we present basic concepts relevant to the discussion of dependable and secure computing. We also present relevant work in this field.

6.2.1. Dependability

Traditionally, dependability is defined as the user’s justifiably trustworthiness on the ability of a system delivering the service to the users [7, 11, 12]. An alternate definition of the dependability of a system is a system’s ability to avoid service failures that are more frequent and more severe than is acceptable [7]. Although there exist many different ways describing dependability, a consensus view is to describe dependability via threats, attributes, and means. A typical top-level ontology of the dependability is shown in Figure ...