TippingPoint Digital Vaccine Laboratories
DID YOU KNOW... In December of 2007, Microsoft released seven security bulletins which fixed 11 new security vulnerabilities. TippingPoint and ZDI were credited with discovering a total of four of those vulnerabilities.

Filtering Content: Online Web Proxy Detection

As of late, we have seen a fairly significant number of customer requests for filters that block access to free online proxy websites. Those of you who subscribe to our Digital Vaccine service have probably noticed the influx of filters addressing these requests; I thought you might find it interesting to understand just how it is that we are able to cover such a wide swath of websites with a relatively small filter set. One of the easiest ways to evade URL or IP base ...