What is security?
(a) Security is a measure of the system’s ability to resist authorized attempts at usage
(b) Security is Denial of service while still providing its services to legitimate users
(c) Security is systems functionality to interact
(d) All of the mentioned
This question was addressed to me during an interview.
I would like to ask this question from System Quality Attributes Discernable At Runtime topic in chapter Architectural Patterns and Styles of Software Architecture