4.1. Using a Web browser, identify at least five sources you would want to use when training a CSIRT.

4.2. Using a Web browser, visit www.mitre.org. What information is provided there, and how would it be useful?

4.3. Using a Web browser, visit www.securityfocus.com. What is Bugtraq, and how would it be useful? What additional information is provided under the Vulnerabilities tab?

4.4. Using a Web browser, visit www.cert.org. What information is provided there, and how would it be useful? What additional information is provided at www.cert.org/csirts/?