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Moved from AVG to NOD32 recently and couldn't be happier.

 

AVG had been great until they were bought out recently, and one morning it simply disappeared from my system during an update. Couldn't uninstall, reinstall, repair and so on and it left me completely unprotected. Contacting the company took three days for a response, and by that time I had already installed NOD32 and purged AVG from my system. As each of the systems here in the office come due for renewal with AVG, I'm moving them off to NOD32.

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Just stay away from Symantec Endpoint Manager. If you're on virtual servers, it'll start using 8-15% of your CPU cycles just sitting there. I switched to AVG and so far so good, but I've heard good things about NOD32 as well.

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Let's keep in mind that there is no "best" but only what is best for the user's needs. Some people want a solid AV that uses the least system resources, while others prefer extra features and don't mind bloat. To each his own, there is no "one size fits all."

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We personally use Webroot's AntiSpyware with Antivirus (which is from Sophos). It does everything in one scan and eWeek rates Webroot's SpySweeper the strongest antispyware package out there using a multi-point eLabs test.

 

Since you have a lot of computers networked you might want to go with a hardware solution too. Juniper Networks offers some low cost solutions for protecting networks using realtime antivirus and antispyware scanning of all traffic.

 

Just some thoughts. Good luck.

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Ok, here's a been there for 8 years and still doing it. I'm the network administrator for a mid-sized city in the US. We use McAfee Enterprise 8.5i with centralized adminstration. Several servers, an Exchange 2007 server and a whole pot full of desktops.

 

McAfee is effective but is an extreme resource hog. Groupshield, solely for our Exchange EMail server runs cpu usage at 13-40%. This is a dual, quadcore Xeon with 8gb RAM. It's only purpose is to host Exchange 2007. You said 20 computers but did not mention if you had an email server.

 

I read a statement somewhere recently that said something to the effect that "Security is not a goal to attain but a state of mind". Anti-Virus is an integral part of a networks schema. I can only advise that you 1.) Keep all your systems patched and updated, 2.) Anti-Virus defense is a multi-prong beast. Desktop protection, File Server protection, EMail server Protection, Network Perimeter (edge) protection. 3.) Centrally manageable so that you can easily monitor update compliance AND respond immediately to any possible outbreak.

 

Free, while ok on personal systems has no place in a business networks security schema as a front line of defense where data is important. You get what you pay for. If your data is important then so is its security.

 

Hope that helps some, good luck.

 

-Roger

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