Briefly saying, Quality can be defined as: degree of excellence – oxford dictionary; Fitness for purpose – Edward Deming; Best for the customer’s use and selling price – Feigenbaum; The totality of characteristics of an entity that bear on its ability to satisfy stated or implied needs – ISO.
While measure software development quality, there are some factors:
7. Integrity or security
We can determine whether system meets the requirements of quality or not with these quality attributes standards.