Basic Web Security Tutorial - Chapter 4 - Active protection - Part 2
Channel: DynV
Date: 16/05/2010

Active protection provide malware detection on the go, as you use your computer, adding another layer of protection that will block some threats ; notably cookies, processes and well-known threatening adresses.  A higher degree is avaible (usually in non-free security suites) that will block most threats, although a lot of users will not need that advanced active protection.