Backups

CryptoParties

Browser Extensions / Add-ons

Devices / Hardware

Password Managers

1) Dedicated Service / Program

Browser Extensions/Add-ons, Two-Factor Authentication options, strong password generators, account based sharing, import/export:

A file that is has to be saved and backed up manually, no sharing, Yubico only/limited/no Two-Factor support:

2) Built-in Browser / Operating System Password Managers

No sharing! Requires use of a Sync service for automatic Cloud Storage/Backup. May not include a password generator, no import/export:

Diceware Passphrase Generators

Easier to remember/share; not all services/devices will accept passphrases, but when they do it is a great option:

Resources

Secure Messaging

Secure File Storage / Sharing

Security Plan (Risk Assessment / Threat Modeling)

Services

Tor

Two-Factor

Updates

If a device or program have become Unsupported / End of Life / Obsolete you should fully upgrade/replace ASAP.

VPN

Web Browsing