Network Defense and Countermeasures

Network Defense and Countermeasures

My goal is to provide an evaluation of the second class in the New Horizons Security Certified Program. This evaluation is a personal opinion and does not express the opinion of the State of Michigan or the Information Security Cortsoidum or any persons holding a CISSP.

This portion of the New Horizons class was well spread out. The first lesson was Network Defense Fundamentals. Authorization, availability, authentication, confidentiality, and integrity were defined and discussed as the five major key issues in network defense.

Layered defenses were examined as the best defensive strategy. When we talk about strategies, it is always good to use a well-known analogy so the students can relate. This portion of the course uses the castle analogy to discuss the various layers of security. Basic definitions included training and awareness, perimeter security, intrusion detection, non-repudiation, and attack responses.

The active defens...