Jumping the air gap: 15 years of nation‑state effort.
ESET researchers studied all the malicious frameworks ever reported publicly that have been used to attack air-gapped networks and are releasing a side-by-side comparison of their most important TTPs.
https://www.eset.com/us/about/newsroom/press-releases/eset-research-analyzes-malicious-frameworks-targeting-air-gapped-networks-dissects-15-years-of-nati-1/
https://www.welivesecurity.com/2021/12/01/jumping-air-gap-15-years-nation-state-effort/
https://t.me/cKure/10318