EXPERT RESPONSE
Be sure your McAfee Total Protection For Small Business is up-to-date, as some bugs have been recently fixed. But as recently as a couple of weeks ago, several reported problems remain with the software -- sometimes causing crashes, slowdowns, hangs, inability to update, etc. -- and some long-time customers are not happy with the new release and say it's not prime-time ready.
In addition, reliance on one product for bug scanning probably doesn't cut it. Even the best software only provides one level of scanning, and more than one layer is recommended.
Although I hate to say it, reformatting is probably your best course of action if you can do it without unduly inconveniencing the customer. And if I were you, I'd move to the Symantec product and add another level of spyware scanning.
As far as real-time intrusion detection, there are a lot of products that may fit your bill. Traditionally intrusion detection systems (IDS) have been a bear to implement and manage, but some products have entered the marketplace that are easier to install and use. Timberline Technologies provides a good list of IDS products. I like the PGP products, BlackICE Defender, the NetIQ product, and Strata Guard.
Based upon your requirements, get product demos and research the Web for user reports on issues and problems. And good luck!
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