O'Reilly logo

Cisco Networking Simplified, Second Edition by Paul Della Maggiora, Neil Anderson, Jim Doherty

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter . Network Security

A company’s network is like any other corporate asset: It is valuable, and it affects the company’s success and revenue. More than ever, the corporate computer network, and the data on it, is the most valuable asset of many companies. Therefore, it must be protected. Generally, middle- to large-size companies appoint a chief security officer, whose job is to develop and enforce corporate security policies.

Security threats present themselves in many forms:

  • A hacker breaking into the network to steal confidential information or destroy corporate data

  • A natural disaster such as a fire, tornado, or earthquake destroying computer and network equipment

  • A disgruntled employee intentionally trying to modify, steal, or destroy corporate ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required