Linux admins -

Security doesn’t stop when Linux distributions do — end-of-life systems like Ubuntu 18.04 can still run, but their defenses freeze immediately. Combine this with mismatched kernel lifecycles, and unsupported systems quickly become islands of vulnerability, exposing production environments to unpatched risks.

 

Read on to learn more about proactive lifecycle management and the dangers of running EOL releases.

Yours in Open Source, 

Dv Signature Newsletter 2024 Esm W150

Dave Wreski

LinuxSecurity Founder

Ubuntu 18.04

The Discovery 

While end-of-life systems like Ubuntu 18.04 can still run, they face significant security risks.


Ubuntu Esm W225

The Impact

 EOL systems no longer receive updates, exposing production environments to unpatched risks.

The Fix

Admins can manage Linux support lifecycles to mitigate risks by tracking lifecycle dates proactively, applying updates before lifecycle transitions, and engaging in other security best practices.

Keylogging 

The Discovery 

Keylogging happens when software records keyboard input without the user's knowledge.

 

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The Impact

Keylogging attacks are used to collect credentials, monitor privileged users, or track insider activity.

The Fix

To protect against privacy breaches, keylogging research should stay inside authorized testing environments. Those same techniques that expose vulnerabilities can easily cross into privacy violations if used outside of scope. It is also crucial that admins know how to detect keylogging activity.