Ubuntu security documentation

Ubuntu prioritizes security through its core principles. It is a transparent, secure-by-design, and secure-by-default platform. Your Ubuntu software benefits from the latest security technologies and long-term maintenance, allowing you to build a strong security posture.

Canonical offers comprehensive services, including regular security updates and system hardening tools based on industry standards, to support Ubuntu’s built-in security features. Understanding how these function ensures your Ubuntu deployments stay secure according to your needs.

In this documentation

Protections against tampering for Ubuntu software.

Prevent security risks by receiving security updates to your system in a timely manner.

Learn about security features that come with Ubuntu.

Make your system compliant.

Learn about common security mistakes and how to avoid them.

Project and community