Many of us now have a growing number of devices that communicate with each other over Bluetooth, if only to listen to music. This wireless communication standard is particularly vulnerable, as ill-intentioned individuals can sometimes hack into devices that are in close proximity. But certain precautions can be taken to help limit the risk. Switch off Bluetooth The golden rule is to always switch off Bluetooth on your connected devices when they are not in use. This is not only a question of security, but also of power saving and battery life, because Bluetooth uses a lot of power. As long as …