Nippon Telegraph and Telephone Corporation

Katsuhiko Sakai

Ichiro Kudo

Takeaki Nishioka

Yuhei Hayashi

Hiroshi Suzuki

A handling apparatus () handles a server attack taking place on a network (Na) or handles a server attack as requested by a security system provided on another network. In accordance with a determination that it is not possible to handle the server attack by the handling apparatus (), the control determination apparatus () makes a request to another security system (Sb) capable of handling the server attack to handle the server attack. A centralized control apparatus () determines whether the server attack taking place on the network (Na) can be handled on another network.

Growing community of inventors

Musashino, Japan

Katsuhiko Sakai