Exam Lead Implementer topic 1 question 11 discussion

The Answer is A, it is a security control. and there are no further instructions regarding any prospective incidence. So We need to limit our response of choice to the question scope. not what we think might happen.

I am sorry but I do not agree with the proposed answer. Question does not mention there is another method of authentication, only a message delivered to the phone. Therefore, a bad actor with possession of the smartphone would be able to log into the account. This is a single method of authentication, just as weak as only using user and password. Additionally, it does not mention how the message is delivered to the smartphone. SIM cloning is a known attack against SMS OTPs, therefore I propose C to be the right answer.

The answer here is A A. FinanceX has implemented a security control that ensures the confidentiality of information Technical control - Secure authentication (8.5) is a preventative control with Information security properties of #Confidentiality, #Integrity & #Availability Purpose to ensure a user or entity is securely authenticated when access to systems, applications and services is granted. B. FinanceX has implemented an integrity control that avoids the involuntary corruption of data Authentication has nothing to do with integrity of data C. FinanceX has incorrectly implemented a security control that could become a vulnerability The question makes no mention of incorrect implementation and so this is not the answer