Defenses against Penetration Testing Software 53 table 3.1 Top 10 penetration testing tools O Top 10 tools ­ sectools.org Nessus Wireshark Snort Netcat Metasploit Framework Hping2 Kismet Tcpdump Cain and Abel John the Ripper development grows. The focus on frameworks has allowed many people to contribute to larger projects such as Metasploit. With the ease of use of these frameworks, we find that more people are willing to contribute to the development of the framework or projects that support the framework. The number of tools available today is staggering. Tools are developed to support the assessment of almost every major protocol or application deployed on a wide variety of network types. Even those who work in the security field or those who are conducting malicious attacks on a regular basis cannot keep up with the abun-