Most companies including defence departments and NASA use air-gapped computer to store their most confidential data.
All electronic gadgets including computers emitelectromagnetic radiationof varying degrees during their normal operation.
The researchers said that the basic cell phone has been designed in such a way to receive such signals.
They combined these two factors and were able to exfiltrate data without triggering any protection alarms.
Further the companies could strengthen the working environment with insulated walls or partitions.
Guri said that they will present their findings next month at the Usenix Security Symposium in Washington, DC.
source: www.techworm.net
