Privacy

How to securely delete a file and its contents

Need to delete the contents of a sensitive file? Instead of just deleting it with rm, look at this option first.

Postfix Hardening Guide for Security and Privacy

Learn how to secure the configuration of Postfix with this guide, and increase both security and privacy.

The real purpose of login banners (on Linux)

We are used seeing login banners everywhere. What is the point of them, and why would they be useful? The answer is more surprising than you expected.

Privacy Policy

Learn more about our promises when it comes to privacy in this privacy policy.