I think journalists or other hobbyists/professionals with work they need to protect should start thinking about keeping an air-gapped computer around. I've seen

I think journalists or other hobbyists/professionals with work they need to protect should start thinking about keeping an air-gapped computer around. I've seen this phrase used recently to describe a computer which has never been connected to the internet, a network or another device. I'm sure it's non-trivial to source a computer that arrives in a trustworthy state, however.