Luckily, the Venn diagram overlap of black hat hackers and greying IBM mainframe... | Hacker News

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		fredoralive 3 months ago \| parent \| context \| favorite \| on: Hackers strike Harrods in latest UK cyberattack Luckily, the Venn diagram overlap of black hat hackers and greying IBM mainframe programmers who understand things like JCL, RPG, COBOL and VSAM is a very small one indeed.

SoftTalker 3 months ago [–]

> JCL, RPG, COBOL and VSAM

Nobody understands those things, they just take working code and modify it.

pixl97 3 months ago | [–]

Hell a lot of it isn't modified. I've recently seen cobol files with a last modified entry of '85.

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