The NHS suffered avoidable hacking attacks and ransom demands because it hadn’t kept its Windows operating systems (OS) up to date and was even using operating system such as XP which are no longer being updated by Microsoft. In the case of current OSs these were updated as recently as March 2017 and this would take place automatically if your computer was set to automatically update your Windows OS.
So here’s your opportunity to learn from their mistake and avoid the usual pain of your own mistakes.
So there you are. For once, a lesson learned without the pain of the mistake.