Against Nothing major. We liked the Digital Immune System intelligent update technology, which reduces downtime and simplifies the method of updating the software.
Installation is straightforward enough.
Components cover the whole spectrum from your server, a management console as well as your desktops and include a Central Quarantine to provide automated response to heuristically detected viruses which are either new or unrecognized. It runs on either Windows NT or 2000. This also provides the ability to push configuration settings and virus definition file updates to the desktops that it manages. Infected items are isolated, and forwarded to the Central Quarantine. A new virus definition can then be sent to the customer.