Security vulnerabilities only really matter if you're going to have the system online.
George R.R. Martin still writes using WordStar 4.0 in DOS.
I remember reading a news story years ago about a guy who brought a vintage Mac from the 80s into the Apple Store to see if it could be a little faster. He had been using it for his accounting (or something) for the past 30 years.
Air gapped systems like these, with some degree of physical security, are pretty safe.
George R.R. Martin still writes using WordStar 4.0 in DOS.
I remember reading a news story years ago about a guy who brought a vintage Mac from the 80s into the Apple Store to see if it could be a little faster. He had been using it for his accounting (or something) for the past 30 years.
Air gapped systems like these, with some degree of physical security, are pretty safe.