As in all things, security is important. You need to protect your home, your possession, your family, but what we are particularly concerned with here is your business and your information. A catastrophic virus infection can bring an organization to its knees if the effects are wide-spread enough and disperses across your network. You really need to use everything at your disposal to avoid a server virus.
A server virus gets harder to manage the larger the network is on which it becomes active. Even if only a few of the physical machines on a network are infected it can be debilitating. One or two terminals infected with a mass-mailer virus can bring all the electronic communications for a give organization to a halt. Each infected machine will start sending out mail until it bogs down all the relay servers and you’ll soon start losing authentic messages. Even once you’ve recognized the problem and have begun containment procedures, the number of users with access makes recontamination hard to avoid unless you keep everything locked down until the eradication is complete. This can mean a lot of downtime, which translates into much lost productivity.
The problem is compounded even further when you business relies on accumulating, tracking and securing data. Naturally, you’ll have backup procedures in place, but there is no want way to keep duplicate files from every moment of every day. The larger a business is, the more people will be interested in getting at its data. You can lose a lot of valuable information very quickly if a virus corrupts your data, and losing sensitive information to theft can be a serious liability.
The point being that you want to stop computer viruses before they happen rather than contain them after the fact. That means you want to keep out unsolicited or unwanted traffic from your servers by employing firewalls to try and close off any back entrances there may exist in your systems. You’ll also want to employ a complete suite of virus protection software.
You will want an antivirus client running on every machine in your organization, whether it be a server or a workstation, but if your organization is comprised of more than a few computers you’ll want something more manageable than single-system antivirus programs. Most antivirus software developers will incorporate some kind of centralization into the versions they develop for organizations. You will still need to purchase a licensing package that reflects the total number of machines, but a good business-level antivirus program should allow for some kind of centralized even tracking that will enable a security professional to manage the integrity of the network as a whole. It should also allow you to track where and when threats are introduced to the system, which will help you indentify weak points in your system.
Antivirus protection is a big issue in the hosting world. On one hand, each hosted domain is relatively self-contained, but in the case of any infection that eats up bandwidth or processing power this is always a risk of a reduction in performance for more than one user.
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