Anywhere that COBOL can be replaced with something more modern, it’s already underw
Rewrites are extremely risky though, and some companies don’t want to risk it. That COBOL code probably has 40 years worth of bug fixes and patches for every possible edge/corner case. A rewrite essentially restarts everything from scratch.
Do you know of a decent sized company that successfully migrated away from COBOL? I’d be interested in reading a whitepaper about how they did it, if such a thing exists.