Currently, we have Avast Business antivirus (cloud version) as our endpoint protection. Just about every computer and server has the policy-based client installed. When we invested in this solution, we were originally with AVG (same platform) so we've gone through the buyout and ownership transfer. I must say that this process went seamlessly with absolutely no interruption to our daily business. Now we're fully on Avast, and I'm happy to say that they provide a very stable and reliable endpoint protection service.