I like the color blue, but everything I like causes the outrage of the week. D'oh.

[Iowatech]

Apparently there's a tool here that you can use to see if there are any computers on the network that are still vulnerable to "WannaCry" or "NotPetya" and stuff.
I've tried it and didn't see any harm, but that's just me. Use it at your own peril.