This is an interesting thing: I just read this post on ZDNet. The blamed us for being the key target for viruses and they always told me that they do not have a security problem. I am convinced that there is no software product having no security vulnerabilities and Apple proved over time that they are not doing that good and that their marketing and reality is sometimes pretty far apart. The following chart is from Jeff Jones’ Desktop OS Vulnerability report:
At least it seems that the technical side of Apple realizes that running AV software is absolutely key. I quote the blog above:
Apple encourages the widespread use of multiple antivirus utilities so that virus programmers have more than one application to circumvent, thus making the whole virus writing process more difficult.
Even though I understand the reasoning of running more than one AV product (we were doing that on Exchange and SharePoint as well), I do not think that it makes a lot of sense – from a resource consumption standpoint – to run more than one product on the Desktop. But the change in strategy is remarkable and I am more than happy to see that