1. ‘Tick’ espionage group is likely trying to hop air gaps, researchers say,2020
2. An Indian nuclear power plant suffered a cyberattack. Here’s what you need to know. - The washington post,2020
3. A fanny equation: ”I am your father, Stuxnet” - Securelist,2018
4. Sednit espionage group attacking air-gapped networks — welivesecurity,2020
5. M. Guri, A. Kachlon, O. Hasson, G. Kedma, Y. Mirsky, Y. Elovici, GSMem: Data exfiltration from air-gapped computers over GSM frequencies, in: USENIX Security Symposium, 2015, pp. 849–864.