The difference is in exact wording Agile: the software shall properly authticate a user within our active directory.
Documention : user authentication will be provided by functions ”valisate username” as described in section 14,7 subsection 4, ”validate password” as described in section 16.2 and validate the correct pasword as described in section 23.4.Proper authication to the correct use group shall comply with the requirements in document 654689 section 64.7 subsection 17
Yes there is a difference and one is better....