Firewalls: restricting internal operations without solving the vulnerability problem

These two articles talk about firewalls. One says that firewalls may do too good a job of keeping hackers out of an organization's network because customers are finding that firewalls are blocking legitimate traffic and are keeping end users from accessing key applications. On the other hand, current firewalls remain vulnerable.

Human errors leave systems vulnerable, not faulty firewalls
http://cnn.com/TECH/computing/9809/11/firewall.idg/index.html

Burned by Firewalls
http://cnn.com/TECH/computing/9809/22/fireburns.idg/index.html

Questions:

1. Explain where firewalls belong in the security and control value chain.

2. Explain how firewalls and other security can make internal business operations less efficient and effective.

3. Explain how intruders can attack a firewall to learn enough to penetrate it.

Back to Additional Cases

Main Page About the Book Student Resources Instructor Resources Contact Us