1. By Brandon Barton & Eric Van Horn

2. What is Backtrack 4? Operating system Collection of many security tools world’s leading penetration testing and information security auditing distribution Comes with hundreds of preinstalled tools

3. Information Gathering Backtrack comes with a number of tools for information gathering Number of search engine and data harvesting tools for developing a large database on any target Metagoofil Netmask

4. Network mapping Network mapping is study of the physical connectivity of the network Backtrack comes with numerous network mapping tools Amap Fping

5. Vulnerability identification Fuzzers Fuzz testing or fuzzing is a software testing technique that provides invalid, unexpected, or random data to the inputs of a program. If the program fails (for example, by crashing or failing built-in code assertions), the defects can be noted. Bunny the fuzzer Fuzzgrind