I would like to use Raspberry Pi 3 as a dedicated machine for online banking, but I am not sure if it can be made secure enough.
I think about using Raspberry Pi with raspbian. It would be connected to internet. I will type all paswords by hand (no password manager or remembering passwords in browser). It also seems that it is quite ease to reinstall system from scratch, which imho is good for security.
Now there are two main security threats that cames to my mind: 1. Somebody steals my machine, In my opinion it is not a big threat because I am not going to have my passwords saved anywhere on this machine. 2. Somebody hacks my raspberry from internet. This Is what I am afraid most. I konw that I should change default user and user password and set up firewall. I am also not going to use this machine for anything else that banking. I am also not going to use this machine remotely.
Right now I am using the same windows PC for banking and everyday activity, so I would like to compare using Raspberry as a dedicated machine with my current set up.
So I would like to know: * If Raspberry Pi can be reasonably secure to use as a dedicated machine for online banking? * What changes in configuration one should make to secure it?
Edit I read about security in topics linked below. Which gives me sense that raspbian can be made fairly secure. But still maybe online banking is too serious for that and there are reasons why for example I should rather buy second laptop.