Endnotes 145 Once an understanding of how various systems might be vulnerable is achieved, the process of securing and isolating them can begin. The information obtained from a strong vulnerability assessment and patch management strategy will also facilitate the process of both defining and securing these functional groups into secure enclaves, discussed in detail in Chapter 7, "Establishing Secure Enclaves." ENDNOTES 1. S. McClure, J. Scambray, G. Kurtz, Hacking Exposed: Network Security Secrets and Solutions, McGraw Hill, 1999. 2. Ibid. 3. Computer Based Social Engineering Tools: Social Engineer Toolkit (SET). <http://www .social-engineer.org/framework/Computer_Based_Social_Engineering_Tools:_Social_ Engineer_Toolkit_(SET)> 2010 (cited: December 23, 2010). 4. S. McClure, J. Scambray, G. Kurtz, Hacking Exposed: Network Security Secrets and Solutions, McGraw Hill, 1999. 5. Ibid. 6. nmap.org. Introduction. <http://nmap.org>, 2010 (cited: December 23, 2010).