Its always great when you get a phone call saying “Hello, I’m calling from Microsoft and we have noticed a problem with your computer”. My inner kid springs to life and its time to string on the scammers.
Unfortunately my fun was cut a bit short after the first couple of questions when I was asked what key was next to my Ctrl key on the keyboard. They are evidently looking for a Windows key and they hung up when I gave them the keys of an Apple Mac Keyboard.
The worrying part is that this practice is still going on and people fall for it giving out information and going to web pages that will hack their machine and cost them money.
There is some good advice at this page on not being caught out and what to do if you are: