4.2 Installing antivirus software and firewalls
Up to now, the best way to deal with viruses and Trojans is to
install antivirus software and firewalls. A lot of antivirus software
and firewalls arise in the market for users to choose. With the data
becoming more and more important, there has been a kind of
security companies that specializes in response to the dangers of
viruses and Trojans. These security software companies produce
antivirus software with its own characteristics according to their
own understanding, which can satisfy the needs of different users.
So users can specifically choose a suitable kind of antivirus
software depending on the actual situation, avoiding security
problem at the extreme. Meanwhile, firewall should be set up to
prevent invasion of Trojans. From these two aspects of protecting
from virus and Trojans respectively, we can ensure the normal use
of the computer to the maximum extent