We have spent some time discussing about the safety of peripherals such as webcams, and a few weeks ago also commented that had vulnerabilities that made it possible attacks through radio wireless keyboards. But there are other components of our PC, such as monitors, nor usually considered dangerous or a door through which attacked.
But a group of researchers has discovered a method that can hack our remote monitor. This not only could play the pixels is showing, can spy without agreeing to our PC, but could also manipulate these pixels to display different images on our monitors.