Somewhat off topic - keeping older Macs running

[Dave Horsfall]

On Mon, 25 Apr 2022, James wrote:

> I too have old macs that cant be updated. I just keep a time machine 
> backup and if ever I get hacked a quick restore will fix. For 10 years 
> I've had no issues !! 

Your "old macs" are not protected by a firewall?  One day...

As for backups, consider malware that will not trigger until well and 
truly embedded into your backups; not much use then, are they?

-- Dave