"CT-Probe Penetration Analysis is designed to work with NSA. It uses a statistical approach to gathering the most relevant data from a network in order to cut costs and to provide a more accurate assessment of network risk. Many penetration tools are run in a "canvassing" mode which drives up the consulting fees associated with testing without providing any real network analysis. CTProbe uses strategraphic techniques to organise data and provide better threat assessment. For instance a publicly writable directory for anonymous ftp may be innocuous internally but not outside the firewall. CT-Probe is designed to know the difference- Includes Tiger, Cops, and Crack functionality even includes an NT-Cops function".