ISC Exam Questions

which of the following circumstances is computer application security most effective and economical?

which of the following circumstances is computer application security most effective and economical?

A.
When the system is optimized before the addition of security

B.
When the system is purchased off the shelf

C.
When the system is customized to meet a specific security threat

D.
When the system is designed from the beginning to provide the necessary security

Explanation:
Security is much more expensive and complicated when it is added at alater phase of the systems life cycle instead of integrating it into the planningand designing phase.