I'd recommend not taking any security advice from internet forums at all if millions are on the line, regardless of OS. I'd hire a professional to harden the co

I'd recommend not taking any security advice from internet forums at all if millions are on the line, regardless of OS. I'd hire a professional to harden the computer I want to use for that and wouldn't use it for anything else. An apple device would probably be my go-to there over any Linux system.