> You'd assume people in a business like finance or health would have rules about what kind of software they can use. I would assume... but the NHS was running

> You'd assume people in a business like finance or health would have rules about what kind of software they can use. I would assume... but the NHS was running Windows XP on thousands of computers, often with internet, as late as 2019. Finance? Well, Experian had a website which would not show credit information and redirect you if it couldn't verify your identity... unless you changed the URL to the regular report link. Then it would dump it all out. Let's say I was an information gatherer, for say, the NSA or GCHQ. Or maybe I'm a Chinese PLA soldier. I'd corner the market with shell companies that offered online conversion of 3D files to other 3D formats. There's over a dozen formats to choose from, and you can tell a lot just by the format selected. DGN file? It's MicroStation, meaning its highway, bridges, and infrastructure information. Neat.