Windows 7: How to fight malware.

Two distinct and important new security trends emerged in our testing of anti-malware gateways.
First, the current crop of anti-malware gateway products are migrating from the classic approach of referencing a local (customer premises) database of malware signatures and instead using a "just-in-time" approach of querying a central (vendor site) malware database in order to deal with brand new malware instances.