An anti-worm-measure parameter determining apparatus determines parameters for controlling timing for an anti-worm-measure means to start blocking of a communication by a worm in a network, for preventing a spread of the worm. An infectivity calculating unit calculates infectivity of the worm based on...http://www.google.co.uk/patents/US20070220606?utm_source=gb-gplus-sharePatent US20070220606 - Anti-worm-measure parameter determining apparatus, number-of-nodes determining apparatus, number-of-nodes limiting system, and computer product
