Innovative Security Systems is a company formed for the purpose of acquiring and operating Argus Systems Group. Innovative Security Systems is owned by a group of private investors, including Open Prairie Ventures. Open Prairie Ventures is a venture capital fund located in Champaign, Ill., that focuses on early stage technology companies. Argus Systems Group, located in Savoy, Ill., develops, sells and services security solutions for high-level server operating systems. Argus provides software that converts Unix-based operating systems into trusted operating systems.