To rewrite or not to rewrite the legacy system. It’s a perennial question for IT organizations and one that weighs heavy with IT budget, talent and operational concerns. Every week I come in contact with CIOs and CTOs trying to determine the best way to upgrade an aging but mission-critical system or application. After years of helping businesses consider and address their upgrade needs, I have determined there are five main factors IT leaders need to carefully consider when determining whether they are going to rewrite what they have or start fresh with a rebuild.
1. Lagging security updates
Businesses are facing cyber-attacks, data breaches fraud and corporate espionage at eye-opening rates. According to the Kroll Annual Global Fraud and Risk report, 84% of companies in 2017 fell victim to fraud over the course of that year. One of the greatest vulnerabilities to an organization is older, legacy systems in which security updates have been forgotten or fallen behind. Sometimes older systems have fewer users and they get less attention. Other times security patches and updates are no longer available.
Read More from This Article: IDG Contributor Network: Rewrite or rebuild? 5 legacy system upgrade considerations
Source: IT Strategy