Sophos Endpoint Security is the "best" I've seen. It seems to have negligible performance hits. Please don't take this as a glowing endorsement. Everything els

Sophos Endpoint Security is the "best" I've seen. It seems to have negligible performance hits. Please don't take this as a glowing endorsement. Everything else seems to be complete garbage, especially the respective products from McAfee and Symantec. ClamX is clunky and not very functional.