Have a need to do surveillance or wiretap detection on your network or other networks, there are available tools that can help you do this, Mostly used by law enforcement is NarusInsight Intercept Suite, the suite give out a collective collection of targeted data while simultaneously attend to issues related to piracy, traceability and authentication. simply put as, it is essential to capture all target data and nothing else.
The tool enables capture of packet-level, flow-level and application level usage along with the complete session packets for forensic analysis, surveillance or for satisfying regulatory compliance.
It provides unique insights into the entire network, and ensures the capture of data regardless of size, speed and asymmetric topology of a network can be simultaneously monitored.
It also supports comprehensive forensic capabilities that simplify analysis of captured data. has capabilities of playback of streaming media like captured VoIP, rendering of web pages, examination of emails and ability to analyze the payload/attachements of e-mail of file transfer protocol (FTP).
This tool is widely used by carriers and goverment organizations to protect their countries and infrastructure