Dependencies on information technology began logically enough. In a technology-driven and dependent marketplace, enterprises seek to leverage information technology to improve their market position. Industries adopted COBOL-based software and mainframe computers for statistical reporting, accounting, claims, policy administration, billing and various information-processing activities.1 Many mainframe and legacy applications are older and require significant upgrades in order to meet evolving business demands and cyber threats. Efforts to implement these upgrades to improve business effectiveness and mitigate threats are fraught with issues.2
Stories of herculean efforts to support aging legacy infrastructure abound. Mission critical equipment has been . . .