Outpost Security Suite is an Internet security suite package for Windows PCs. Its personal firewall, anti-spyware, Intrusion prevention system and Internet Security tools components developed by the Agnitum since 2002. After adding anti-virus and anti-spam to the product, known as Outpost Firewall Pro, Outpost Security Suite was released in May 2007. It is available in both paid (so-called Pro) and freeware versions. Free version was released in November 2010 and has only English and German interfaces and some restrictions compared to shareware edition.