[Zenst]

Chromebook would be the easiest route, then you have parental filters, which is ironic as they were born out of a need for parents to help protect their children. Today, that terminology needs revisiting - clearly.

I would equally suggest two email addresses - one for banking, one for everything else.

But do look at further education courses as many a local authority in some capacity offers training in some form (speaking about the UK here). Some banks also offer assistance in online safety courses.

But online safety today, is alas very much akin to the level of safe sex education in the 60's.

I would suggest showing them some youtube videos of people handling phone scammers - entertaining and educational.

But above all - tell them if they are in any doubt, to shout and call you. Remember your peace of mind is worth a few phone calls.