Opus One



A Practical Approach to Network Security

Network security is a major concern for any organization whether the network is a LAN, WAN or connected to the Internet. This class provides a practically focused perspective on network security.

Security concerns are presented with an eye towards useful, practical, applicable procedures and policies. Technologies for securing your network against both inside your organization and outside intruders (including the Internet) are described. The seminar covers preventive procedures, policies, and implementations. We discuss security systems, card keys, software, hardware, encryption, abstraction, authentication, and other security mechanisms.

Dial-in access to corporate networks bring additional security problems. In this class, we discuss four different dial-in security techniques, their pros and cons, and products to help implement them. The seminar concludes with post-event crisis management, damage control, and methods for dealing with media, employees, perpetrators, avoiding further problems.

You will learn:

  • How to identify network security risks
  • How to define a security policy
  • How to develop security procedures

Topics to be covered include:

  • Preventive policies and procedures
  • Network security policies
  • Security systems
  • Security on the Internet
  • Authentication services
  • Virtual Private Networks (VPNs)
  • Firewalls
  • Prosecution policy
  • Recovery procedures

Class length

  • 1 day


  • Systems programmers
  • Network Managers


  • General knowledge of networking

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