Download sites are just too risky these days. Don't use them unless there is no way to avoid them, and even then, be very careful in your selections.

SSH and SFTP Public Key Authentication requires you to create a public/private key pair. We'll look at how to create and then use those keys.

A dictionary attack is a common brute-force way of achieving a hacker's goal. The goal of a dictionary attack could range from compromising your system to sending spam.

Passphrases are just as secure as passwords -- perhaps even more so -- and are easier to remember if needed.

If your backup program writes to a proprietary format, you may not be able to access it decades from now. I'll discuss how to prepare.

Everything you download adds risk. Be safer using my three guidelines.

JavaScript is a programming language that operates important features on many websites.

Public key encryption is the workhorse of security online. I'll review just what it is and how it's used at a high level.

Hardware security keys like YubiKey provide an extra-secure level of two-factor authentication.

Deleting an account you don't have access to is kind of the same as deleting an account you don't own.