Yoshihiro Oosumi

Automatic Sender Tracing of Virus E - mails with Spoofed Sender Addresses

Yoshitaka Morikawa, Takuya Miyashita, Yoshihiro Oosumi, 2004 .

Security Countermeasures of E - mail systems in Okayama University

Takuya Miyashita, Yoshihiro Oosumi, Nariyoshi Yamai, 2002 .

A LAN Access Control System with Protection of Restricted Services from Guest Users

Yoshihiro Oosumi, Nariyoshi Yamai, Kiyohiko Okayama, 2006 .