We're using webdefend for several years now with great success - no incidents, all good. We've found it easy to use and configure. Their support team is responsive and proactive. The only thing I dislike about this product is that you have to pay each year, so there are no trial versions available or discounts offered in most cases. It's just not fair if you want to test a new feature before purchasing their software.
So far we haven't seen any problems due to their security products, but they…