Trend Micro is an internet security product that goes by the nickname of "PC-Cillin" a straight course of hard-core anti-virus treatment for your personal computers. It not only protects you against viruses, it works to block spam, spyware, Trojans, rootkits and a multitude of other online security threats. Trend Micro takes remarkably little memory to run and boots rapidly, allowing you to see, protect, and manage security remotely for all the computers and devices connected to your home network (up to three PCs per household). Trend Micro creates an impenetrable firewall and works proactively to block intrusions, functioning on the cutting edge of technology to defeat future attacks before they happen.