A while ago a got an urgent call from a customer to say that they fear that their system had been hacked because when sat in front of their computers, the cursor could be seen to be moving around the screen and clicking on ‘things’.
Well this was really odd I thought, so off I went to visit the customer. They were concerned about the security of patient data. Sure enough I sat on one of their computers and the cursor was moving, clicking on boxes and the text was changing.
But it was all too organised. The cursor wasn’t looking for anything important, it just appeared to be doing every day tasks.
Bizarrely the customer had recently replaced all of their old wired keyboard and mouse kit with new wireless kit and guess what, 5 of the wireless devices had connected together, so movement of the mouse and keyboard in one office was showing and cursor movements and keyboard input in another, and because they all had the same PC equipment with the same screens, all the movements tied up exactly with the boxes and text on the screen.
Now I didn’t think this was possible, but sure enough it was happening. A quick tour around the offices and pressing the wireless sync button on each device sorted out the problem. I had never seen this issue before and certainly never seen it since.
