There are multiple ways to sneakily extract data from a PC, and not all of them involve directly tapping into the storage device. Even a PC that is not connected to a network is vulnerable. These are referred to as air gapped systems, and security researcher Mordechai Guri from Israel’s Ben Gurion University of the Negev found yet another

Source: Hot Hardware – This Wild Malware Attack Can Wirelessly Slurp Data Through Your PC’s Power Supply