That, or they bring a work computer home, get infected, then bring it back to wo...

Scoundreller on May 14, 2017 | parent | context | favorite | on: WannaCry – The largest ransom-ware infection in hi...

That, or they bring a work computer home, get infected, then bring it back to work. Could happen if the network they got infected on resolved all domains (so it didn't execute then), but their corporate network didn't.