Detecting mass-mailing worm infected hosts by mining DNS traffic data. - Keisuke Ishibashi; Tsuyoshi Toyono; Katsuyasu Toyama; Masahiro Ishino; Haruhiko Ohshima; Ichiro Mizukoshi (MineNet, 2005)

Measurement of DNS Traffic Caused by DDoS Attacks. - Keisuke Ishibashi; Tsuyoshi Toyono; Hirotaka Matsuoka; Katsuyasu Toyama; Masahiro Ishino; Chika Yoshimura; Takehiro Ozaki; Yuichi Sakamoto; Ichiro Mizukoshi (SAINT Workshops, 2005)