A hacking group in China is one of the first to have targeted air-gapped networks that are not directly connected to the Internet. FireEye released a 69-page technical report on Sunday on the group, which it calls APT (Advanced Persistent Threat) 30, which targeted organizations in southeast Asia and India. Spikes Security, founded by former PayPal/Tesla/SpaceX tech lead Branden Spikes, specializes in this security area its AirGap browser isolation system prevents all browser-borne malware from entering a network.”]
Source: https://informationsecuritybuzz.com/articles/comments-on-chinese-hacker-targeting-isolated-networks/