Patent Number: 7,711,714

Title: Method and a device for sterilizing downloaded files

Abstract: A method and a device for managing a computer network, especially a technique for ensuring the security of a network. A computer network system in which computers are connected to each other through transmission lines, each computer stores the data which constitutes a moving type software exclusively used for security and transmitted together with a message when the computer transmits the message to another computer of the system, and executes the moving type software by using the stored data upon receiving a message from another computer.

Inventors: Takaragi; Kazuo (Ebina, JP), Domyo; Seiichi (Fujisawa, JP), Yoshiura; Hiroshi (Kawasaki, JP)

Assignee: Hitachi, Ltd.

International Classification: G06F 17/30 (20060101)

Expiration Date: 5/04/12018