The world of IT is always evolving, but in every area there arestable, core concepts that anyone just setting out needed to knowlast year, needs to know this year, and will still need to knownext year. The purpose of the Foundations series is toidentify these concepts and present them in a way that gives youthe strongest possible starting point, no matter what yourendeavor.
Network Security Foundations provides essential knowledgeabout the principles and techniques used to protect computers andnetworks from hackers, viruses, and other threats. What you learnhere will benefit you in the short term, as you acquire andpractice your skills, and in the long term, as you use them. Topicscovered include:
Why and how hackers do what they do
How encryption and authentication work
How firewalls work
Understanding Virtual Private Networks (VPNs)
Risks posed by remote access
Setting up protection against viruses, worms, and spyware