7 Reasons Why Ubuntu 22.04 LTS is the Most Secure Release Yet

Cindy F. Cape

Ubuntu 22.04 LTS, released back in April, is the most secure Ubuntu release yet.

Between its extended security updates, new hardware support, and a wide range of other improvements, it far outperforms all previous releases in terms of security.

But how does it do that? And, what makes this release different from previous ones? Well, there are a few reasons for that, and Canonical has highlighted all the relevant details in a new blog post.

Here, let me summarise that to help you learn more.

What Makes Ubuntu 22.04 LTS Secure?

With this release, it seems that the Ubuntu team has put a lot of work into ensuring its long-term security and reliability. Although they did this in an unthinkable number of ways over the years, I shall highlight a few things that include:

  • Improved hardware security measure support
  • Updated security packages
  • Private home directories
  • OpenSSL 3
  • GCC 11
  • nftables as the default firewall backend
  • Linux Kernel improvements

1. Improved Hardware Security Measure Support

As Intel, AMD, and ARM CPUs/SoCs start coming up with more security measures, it is becoming ever more important that adequate software is there to allow these features to be put to use.

As of now, there are three major hardware security measures Ubuntu 22.04 supports.

Intel’s Software Guard eXtensions (SGX) provides a secure and independent area to do sensitive computation. For example, password processing would ideally take place here, as it ensures that no other applications can access that data.

The next includes AMD’s Secure Encrypted Virtualization (SEV). This technology aims to prevent host operating systems from being able to interfere with running virtual machines.

Although this is not as relevant to desktop users as the other technologies, consider that a lot of data center infrastructure relies on virtual machines for containerizing applications. Overall, such hardware-specific security measures should enhance protection for both desktop and server users.

2. Linux Kernel Security Improvements

With every Ubuntu release, Linux Kernel gets an upgrade with many useful features and support.

7 Reasons Why Ubuntu 22.04 LTS is the Most Secure Release Yet

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