Learn how to lock down Linux
In a three-part series of articles, IBM's Mario Eberlein, Rene Auberger, and Wolfram Andreas Richter explain both the theoretical and practical sides of Linux system security. The series educates on security fundamentals while explaining how to secure a Linux system step-by-step -- from planning to maintaining fully configured systems.
The first article in the series is an introduction defining such core concepts as security, integrity, and confidentiality in the context of system security.
The second article focuses on the planning stage of security, beginning with an analysis of available hardware, user needs, network access, and risks, then moving to the creation of a "detailed action plan"...