Indestructible TDL-4 Botnet Controls 4.5M Windows PCs

A sophisticated botnet called TDL-4 has infected more than 4.5 million Windows-based PCs worldwide, according to Kaspersky Labs. TDL-4, a TDSS variant, uses encryption and has avoided detection. Kaspersky’s Sergey Golovanov said the creators of TDL-4 are trying to build an indestructible botnet that can survive having its control shut down — via redwolf.newsvine.com