CISM Certified Information Security Manager – Question1088 - CISM Certified Information Security Manager

What is the MAIN drawback of e-mailing password-protected zip files across the Internet? They:

A. all use weak encryption.
B. are decrypted by the firewall.
C. may be quarantined by mail filters.
D. may be corrupted by the receiving mail server.

Correct Answer: C

Explanation:

Explanation:
Often, mail filters will quarantine zip files that are password-protected since the filter (or the firewall) is unable to determine if the file contains malicious code. Many zip file products are capable of using strong encryption. Such files are not normally corrupted by the sending mail server.