Revisiting Legacy Modernization By S. Michael Benson L 50 | egacy systems are some of the most maligned systems in information technology. Yet, they also contain most of the crown jewels of your business and should be handled carefully and protected. It is true that systems will not run forever, yet I have seen applications from the 1970s that still perform their intended function admirably. Let’s get one thing straight about legacy systems before we delve into modernization. E nt e rp r i s e E xe c u t i ve | 2017: Issue 2 Legacy systems are any of those which are running in your data center today. It is not limited to mainframes or systems that exceed a certain number of years in age. Information technology is constantly changing and what is state-of-the-art today will be your legacy tomorrow. Remember CORBA and DCOM? They were distributed technologies that are legacy today. And legacy isn’t always bad if it works.