Watch over the accounts most likely to be targeted.

Be the trusted second approver

Add yourself as the person who has to say yes before a reset on a parent's bank or email can go through. If a scammer tries, the request stops — and you get the alert, not them.

Simple enough to set up for someone else

You can put the checkpoint in place for a family member in a couple of minutes, and they never have to learn anything new. Their logins work exactly as before; you're just standing at the back door.