A computer running COBOL 73, an antiquated computer programming language, awaits taxpayer information entries at the Internal Revenue Service in Austin, Tx. , on Friday, June 10, 2022. | Image: Getty Images

What do the IRS, banks, airlines, and government infrastructure around the world have in common? They’re all running on systems propped up by antique computer code that nobody dares touch, lest everything come crashing down…