http://www.iza.ne.jp/news/newsarticle/it/itbiz/32246/
http://www.asahi.com/digital/internet/TKY200612210362.html
http://k-tai.impress.co.jp/cda/article/news_toppage/32524.html
http://enterprise.watch.impress.co.jp/cda/security/2006/12/19/9297.html
http://bb.watch.impress.co.jp/cda/news/16603.html
http://itpro.nikkeibp.co.jp/article/NEWS/20061215/257096/
http://itpro.nikkeibp.co.jp/article/NEWS/20061218/257081/
http://itpro.nikkeibp.co.jp/article/NEWS/20061218/257185/
http://itpro.nikkeibp.co.jp/article/USNEWS/20061218/257183/
http://itpro.nikkeibp.co.jp/article/COLUMN/20061212/256736/