For the average person, network security goes on in back rooms where overworked techies study blinking lights and speak in code. The relevance of that world to the daily life of a banker or lawyer is minimal -- except, of course, when the system is attacked and everything stops.

The network security industry has mushroomed in recent years, as experts find new ways to monitor, prevent and fight viruses and other threats. The availability of new tools, however, has not made the process any less opaque.

Ron Gula and Renaud Deraison, founders of Tenable Network Security Inc., think they have found a way shed some light on the subject with software that tracks both the attacks and their eventual resolution.

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