I have a wife and 2 kids under 13.
- We have a phone that never leaves home and has no SIM card. We use it for banking apps and 2FA critical services.
- So our "street phones" don't have any banking apps installed, nor social media apps, 2FA nor password managers.
- We have a paper notebook with secrets and 2FA recovery codes in the bookshelf sitting among many other notebooks and old dusty random stuff.
- Our kid's phones have DNS pointing to Cloudflare's family filter server. Their YouTube accounts are set to filter adult content.
- We use BitWarden family plan for sharing passwords among us.
- We use a Keybase team to share documents between us and our personal devices. Everything is, in theory, encrypted and we can revoke the device in case it gets lost/stolen.
- Our laptops have luks drive encryption and we transport them turned-off. So in case they are lost/stolen, data in the drives are unreadable.