How to Send Encrypted Email Using Thunderbird and PGP (A Beginner’s Guide)
Learn how to send encrypted email using Thunderbird and PGP—no new accounts, no extra costs. Secure your communications with a few simple steps.
Foundations
Beginner-friendly explainers, conceptual overviews, and core principles behind technical workflows.
What is a Gravatar — and How It Makes Online Communities Better
Gravatars add a face to your name online, making communities feel more real, personal, and trustworthy. Here’s how to set yours up and join the conversation.
Why Two-Factor Authentication (2FA) Is Essential for Online Security
Even strong passwords can be stolen or phished. Two-factor authentication (2FA) adds a crucial second layer of protection. Learn why it matters, how it works, and why it’s one of the simplest upgrades you can make to protect your digital life.