The Sednit espionage group, also known as the Sofacy group, APT28 or “Fancy Bear”, has been targeting various institutions for many years. We recently discovered a component the group employed to reach physically isolated computer networks — “air-gapped” networks — and exfiltrate sensitive files from them through removable drives.
more here.........http://www.welivesecurity.com/2014/11/11/sednit-espionage-group-attacking-air-gapped-networks/
more here.........http://www.welivesecurity.com/2014/11/11/sednit-espionage-group-attacking-air-gapped-networks/