Patent ID: 7185366

Claim:
A security administration server installed in a predetermined LAN, comprising: means for collecting information relating to a communication conducted via said LAN by a device to be monitored operating in said LAN; means for generating an image by extracting information useful for security management in said LAN from said collected communication related information and visualizing said information to a predetermined form; means for sending said image to a monitoring device wherein: said LAN is connected to an external network such as the Internet; and said image generating means comprises: means for generating an image visualizing into respective predetermined objects; said device to be monitored; a device operating in said external network which communicates with said device to be monitored; a user using said devices; and communication conducted between said device to be monitored and said device operating in said external network; said image generating means comprises a function for generating an image structured with an area displaying a text message as it is; an area displaying as a graph; an appearance frequency of a predetermined character string in said log information; an area displaying as a graph an appearance frequency of said character string for each predetermined unit time period in a time series; and an area displaying as a graph the length of each line of said text message, based on a log information structured with describing various processes conducted in each of said devices to be monitored in a text message format including such content and execution time and date in separate lines.