CISM Certified Information Security Manager – Question0642 - CISM Certified Information Security Manager

Access control to a sensitive intranet application by mobile users can BEST be implemented through:

A. data encryption.
B. digital signatures.
C. strong passwords.
D. two-factor authentication.

Correct Answer: D

Explanation:

Explanation:
Two-factor authentication through the use of strong passwords combined with security tokens provides the highest level of security. Data encryption, digital signatures and strong passwords do not provide the same level of protection.