CISM Certified Information Security Manager – Question0495 - CISM Certified Information Security Manager

Which of the following is the BEST method to securely transfer a message?

A. Password-protected removable media
B. Facsimile transmission in a secured room
C. Using public key infrastructure (PKI) encryption
D. Steganography

Correct Answer: C

Explanation:

Explanation:
Using public key infrastructure (PKI) is currently accepted as the most secure method to transmit e-mail messages. PKI assures confidentiality, integrity and nonrepudiation. The other choices are not methods that are as secure as PKI. Steganography involves hiding a message in an image.