Simply put, a virus can be an application or an actual string of code that intends to poison software. Viruses can affect code the same way that they can affect human beings. You catch a virus, it spreads, and your sick. All it takes to get into your system is to “catch” it. Once the virus gets in it can and will spread to multiple segments of your system or code.
One example of a virus is a Polymorphic Virus. I like this one because it relates to polymorphism which also makes me think of metamorphism, (another attack but for now we will stick to poly). This
particular type of computer virus is amongst the most complicated because it
duplicates/recreates itself and is also self-encrypted. While most of us are
using AntiVirus (AVR) software to detect these types of intrusions, this virus
can completely bypass your scanner because of the creation of itself in
multiple variants.
What is the best approach for protection?
While it is highly recommended that you employ some time of AVR
in your network, there is a bigger picture approach that will help “stave” off
these malicious code attacks. Think in terms of Layered Security, what else can
you do besides JUST having a virus scanner? Have you considered utilizing Antimalware
as well? Yes, AVR scans for viruses, but Antimalware is actually designed to
defend against actual malware attacks (malicious code attacks), what about Threat
Detection? Do you have Email Security? Just some food for thought.
Ashley J. Oliver
Oliver COM Solutions, d/b/a
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