For the last year, a company has gathered statistics on the most common security incidents.
The highest percentage deals with opening email attachments that contain malware. Which
of the following would mitigate this issue without reducing productivity?

A.
Annual cyber security education

B.
Update antivirus signatures more often

C.
Block all email attachments

D.
Install an IPS on each workstation

Explanation:

Reference:
http://www.aps.anl.gov/Safety_and_Training/Training/Courses/esh223/start.html