http://gigazine.net/news/20131028-what-to-do-if-sns-account-has-been-hacked/

http://www.gizmodo.jp/2013/10/100_44.html

http://www.chunichi.co.jp/article/living/life/CK2013101802000003.html http://www.chunichi.co.jp/article/living/life/CK2013102502000002.html

http://www.clo.jp/img/pdf/68/18.pdf

http://www.tokyo-np.co.jp/article/national/news/CK2013102902000240.html

http://headlines.yahoo.co.jp/hl?a=20131028-00001675-yom-soci