tailieunhanh - Network Security Protocols: A Tutorial

Two, security testing is important for understanding, calibrating, and documenting the operational security posture of an organization. Aside from development of these systems, the operational and security demands must be met in a fast changing threat and vulnerability environment. Attempting to learn and repair the state of your security during a major attack is very expensive in cost and reputation, and is largely ineffective. Three, security testing is an essential component of improving the security posture of your organization. Organizations that have an organized, systematic, comprehensive, on- going, and priority driven security testing regimen are in a much. | Network Security Protocols A Tutorial Radia Perlman May 2005 @ 1 Purpose of this tutorial A quick intro into a somewhat scary field A description of what you need to know vs what you can trust others to do A description of the real problems How to build an insecure system out of perfectly good cryptography 2 The Problem Internet evolved in a world w out predators. DOS was viewed as illogical and undamaging. The world today is hostile. Only takes a tiny percentage to do a lot of damage. Must connect mutually distrustful organizations and people with no central management. And society is getting to depend on it for reliability not just traditional security concerns.