Knowledge Center

Explore articles with this tag

COBOL's enduring dominance
  • Oct 6, 2025

COBOL's enduring dominance

An estimated 220 billion to 800 billion lines of COBOL code remain in active use across global enterprises. Over 80% of organizations anticipate these systems will outlast their current workforce. COBOL Colleague transforms the workforce crisis into an opportunity by preserving the business intelligence embedded in your code—creating a permanent knowledge base that outlasts any individual developer.

How banks should leverage the power of automation
  • Feb 16, 2022

How banks should leverage the power of automation

Mainframes are widely considered the backbones of many global financial services firms because they deliver unparalleled security, stability, and processing power. From credit card payments and ATM transactions to loans and mortgages, mainframes are relied on by 44 of the top 50 banks to host core applications that deliver secure experiences based on real-time data […]

How AI can improve software development
  • Jan 25, 2022

How AI can improve software development

Transforming business operations is a constant need, and the pandemic-prompted emphasis on modernizing legacy computing systems has forced organizations across industries to accelerate their modernization plans. The problem with mainframe modernization, however, is that today’s code search tools, linters, and program analysis tools are deficient when it comes to mitigating the risks associated with improving […]

Legacy system failures expose the application knowledge gap’s harmful risks
  • Feb 24, 2021

Legacy system failures expose the application knowledge gap’s harmful risks

Government system failures during the rush to provide public benefits to alleviate the economic effects of the COVID-19 pandemic publicly exposed the mainframe knowledge crisis that also threatens financial institutions, healthcare providers, and many other organizations foundational to the world economy. Several states discovered the knowledge-gap’s potentially devastating consequences when waves of unemployment-claims poured into […]

How short-term maintenance practices can double application size in 5 years
  • Dec 11, 2019

How short-term maintenance practices can double application size in 5 years

Software must evolve to stay effective, which makes application maintenance a persistent and growing obligation, especially for organizations with large, legacy systems. Changing marketplaces, compliance updates, security patches, hardware improvements, bug fixes, and process updates all drive code changes. In his book, Building Maintainable Software: Ten Guidelines for Future-Proof Code, Software Improvement Group Co-founder and […]

Why is COBOL cool again?
  • May 25, 2017

Why is COBOL cool again?

Discover why the recent spotlight on COBOL systems and the shortage of qualified COBOL programmers isn’t due to a lack of qualified engineers, it’s due to a lack of knowledge. At Phase Change, we pay attention to legacy systems and their challenges. So, why was a mainframe language developed in 1959 suddenly the topic of […]