A trio of computer security researchers at Universidad de la República Montevideo, in Uruguay, reports that it is possible to reproduce text on a computer screen by eavesdropping on its HDMI cable.

After the setup and you connect your computer to the TV via HDMI cable, make sure that you select the correct HDMI port from your TV remote (since most TV have multiple HDMI ports named HDMI 1 ...

The HDMI interface is electrically identical and compatible with the video-only DVI interface, which came first. For example, if a cable box or PC has DVI out, but the TV or monitor only has HDMI ...