COBOL Migration: A CTO's Risk-Balanced Playbook

📰 Dev.to · Horizon Dev

Learn a risk-balanced approach to migrating 220 billion lines of COBOL code still running globally, crucial for CTOs and tech leaders

advanced Published 24 Apr 2026
Action Steps
  1. Assess COBOL codebase using tools like code analyzers to identify critical components
  2. Develop a migration strategy, choosing between rehosting, refactoring, or replacing COBOL code
  3. Configure a testing environment to validate migrated code, ensuring functionality and performance
  4. Implement a phased rollout plan, monitoring system stability and user feedback
  5. Apply automated testing and continuous integration to ensure migrated code quality
Who Needs to Know This

CTOs, tech leaders, and development teams can benefit from this playbook to ensure a smooth migration of legacy COBOL systems, minimizing risks and downtime

Key Insight

💡 A well-planned migration strategy is crucial to minimize risks and ensure business continuity when migrating legacy COBOL systems

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💡 Migrate 220 billion lines of COBOL code with a risk-balanced playbook! 🚀
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