Patent ID: 7093163
Filing Date: 2006-08-15
Classification: G06F,H04L

Abstract:
1. A method for detecting and disconnecting at least one manipulated computer among plural active computers within a multiple computer system thereby continuing processing therein, comprising: registering files to be subjected to manipulation checks; performing the manipulation checks for the files and recording results of the manipulation checks; assigning, if at least one file of one of the active computers is manipulated according to the results of the manipulation checks, at least one computer within the multiple computer system to substitute for the manipulated computer; notifying the manipulated computer of the assigned computer; and copying valid files determined to be not manipulated from the manipulated computer to the assigned computer and copying a backup file of the manipulated file to the assigned computer; switching a gateway setting to disconnect the manipulated computer from an external network and connect the assigned computer to the external network after the copying step.