By Banu Parasuraman
Distinguished Engineer | Account CTO | Mphasis
"The mainframe isn't going away. But the teams who understand it are. The window to modernize safely — before institutional knowledge walks out the door — is closing."
Introduction
Mainframe modernization is one of the most consequential — and most feared — programs in enterprise IT. Billions of dollars of financial transactions flow daily through COBOL batch jobs that have been running, largely unchanged, for three to four decades. The fear is rational: these systems work. The risk of breaking them during migration is real, and the consequences in financial services are severe.






