NMap Security ScannerNMap is an application that is designed to probe systems at the network layer to determine what services they‘re exposing to the networks to which they‘re connected, and if possible to tell the user anything that is known about vulnerabilities of those services or about the system itself. This gallery shows you NMap in action.
You can read more about NMap in this The Right Tool for the Job? blog post.
Submitted by David HM Specter
Bill Detwiler has nothing to disclose. He doesn't hold investments in the technology companies he covers.
Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the social research and energy industries. He has bachelor's and master's degrees from the University of Louisville, where he has also lectured on computer crime and crime prevention.