Originally Posted by
antichef
Keeping them unencrypted on a google sheet or word doc in the cloud that you call up as required will be very simple but shockingly insecure. Like hanging them on a public notice board if you are ever going to access the them through a hotel or coffee shop wifi.
All Google sites force TLS. You'd be fine using a public wifi hotspot to access your spreadsheet, depending on the strength of your Google password and whether you enabled 2FA.