AP Photo/Connie Zhou
But getting this data can be difficult. In fact, some of the most previous of digital information is safeguarded by machines that have no contact with the outside world.
So can this internet-less data be hacked? Well, yes.
With some help from the research of the security firm Kaspersky Lab, as well as some of our own personal digging, here's a look into some of the insane and creepy technologies used to hack offline devices.