Air gaps still a cheap and effective defence for critical networks: Kaspersky

via Latest news http://zdnet.com.feedsportal.com/c/35462/f/675634/s/46eb26ad/sc/23/l/0L0Szdnet0N0Carticle0Cair0Egaps0Estill0Ea0Echeap0Eand0Eeffective0Edefence0Efor0Ecritical0Enetworks0Ekaspersky0C0Tftag0FRSSbaffb68/story01.htm