Costco stores are still using a system infrastructure developed 38 years ago. The servers are IBM AS/400 hardware, the programs are written in COBOL, and the terminals are Toshiba SurePOS.
Costco locations worldwide run on text-based CLI terminals, meaning employees have to manually type in commands on a keyboard without a mouse.
"Netizens are geeking out over Costco's 'if it ain't broke, don't fix it' approach, noting how legacy tech is basically immune to modern ransomware."
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