Which of the following phases of a system development life-cycle is most concerned with
authenticating users and processes to ensure appropriate access control decisions?
A.
Development/acquisition
B.
Implementation
C.
Operation/Maintenance
D.
Initiation
Remember: Security (including Authentication) ALWAYS has to be included from the get go i.e. at the product Design stage. There is no way for Authentication to be introduced/included at the Implementation/Maintenance stage..