Fusei akusesu kōi taisaku tō no jittai chōsa oyobi akusesu seigyo kinō ni kansuru gijutsu no kenkyū kaihatsu no jōkyō tō ni kansuru chōsa
Subtitle: chōsa hōkokusho
Publisher: Keisatsuchō Seikatsu Anzenkyoku Jōhō Gijutsu Hanzai Taisakuka
Published: 2011
Place of publication: [Tōkyō-to Chiyoda-ku]
Language: jpn
Subjects: Internet; Security measures; Access control