600.436
High-Assurance Systems
Fall 01/Introduction
2
From First Week…
Informal Definition: “Assurance”
Informal Definition: “Assurance”
¨Assurance is the process by which
one obtains
confidence in the security that a software system will enforce when operated
correctly.
¨This includes the policies enforced,
the degree
of confidence in the enforcement, and an assessment of the appropriateness
of those
policies for the context in which the system will be used.