air-gapped

In addition to encrypting any sensitive e-mails, she began using different computers for editing film, for communicating and for reading sensitive documents (the one for sensitive documents is air-gapped, meaning it has never been connected to the Internet).

2013 August 13, Peter Maass, “How Laura Poitras Helped Snowden Spill His Secrets”, in The New York Times, →ISSN

In the past two years a group of researchers in Israel has become highly adept at stealing data from air-gapped computers—those machines prized by hackers that, for security reasons, are never connected to the internet or connected to other machines that are connected to the internet, making it difficult to extract data from them.

2016 June 28, Kim Zetter, “Clever Attack Uses the Sound of a Computer’s Fan to Steal Data”, in Wired, →ISSN

At least twice, [Dario] Amodei also used an air-gapped computer to write critical strategy documents, connecting the machine directly to a printer to circulate only physical copies. He was paranoid about state actors stealing OpenAI’s secrets and building their own powerful AI models for malicious purposes.

2025, Karen Hao, Empire of AI, New York City: Penguin Press, →ISBN