People use a computer connected to the internet to manage financial accounts

No however, if financial accounts are on website, then that is done, however, not on public network.

Explanation:

This should not be done on the public network, or some other computer. And in general its no. However, if the internet is required, then this must only be done on a private network and under strict firewall rules. Do not ever use the VPN for this as well, as your information can be leaked. You need to do all this, as these are monetary usage, and at times it can be very heavy, and result in very heavy loss. However, this is especially required by small children who use bank accounts regularly. They and all should keep this in mind.