Internal users are reporting repeated attempts to infect their systems as reported to them by pop-up messages from their virus-scanning software. According to the pop-up messages, the virus seems to be the same in every case. What is the most likely culprit?
a. A server is acting as a carrier for a virus.
b. You have a worm virus.
c. Your antivirus software has malfunctioned.
d. A DoS attack is under way.
Answer: A
Some viruses won't damage a system in an attempt to spread into all the other systems in a network. These viruses use that system as the carrier of the virus.