How much antivirus do we need for non persistent VDI?

Microsoft's release of a free desktop OS anti-spyware, called Microsoft Security Essentials reminds me of the conversation we had at BriForum Chicago this year.

Microsoft's release of a free desktop OS anti-spyware, called Microsoft Security Essentials reminds me of the conversation we had at BriForum Chicago this year. 

In a session where we threw around ideas about how to build your VDI image, some in the audience expressed the opinion that since the image would be blown away when the user logged off, maybe running without antivirus on the VDI image would be OK.  Their idea seemed to be that you could just scan the saved user information on an offline basis instead. While I’m not likely to recommend going that far, certainly a “lighter” antivirus solution might be reasonable.  And if it’s free, maybe all the better. 

I’ve used Microsoft’s previous antivirus product (now discontinued), OneCare for roughly the last two years on my personal laptop and have only damning praise for it – “It doesn’t suck”!  Which is exactly how I feel about almost all of the other bloated anti-malware/spyware/gummyware products out there.  They are all way to large of resource hogs, whether measured in disk, RAM, or CPU.  So if this product follows along that line, maybe it might be the appropriate solution in a non-persistent VDI scenario, backed up by a “more complete” solution when needed.

What do you think?

PS for those who attended Briforum in Chicago this year:  Several people have pestered me to post the ideas we collected in that session.  I have placed the 53 Ideas up on the site wiki (available only to attendees)  but have been unable to flush out each idea as I intended so far.

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