2.2M attempts of unauthorized access to Niconico accounts detected

Dwango on June 13th announced that it detected 2,200,000 attempts of unauthorized login on its web service "Niconico".
Unauthorized login actually occurred for 220,000 IDs.
Among them, unauthorized use of "Niconico Points" was found on 19 IDs caused the damage of 173,610 yen.
Dwango in its statement to all users strongly recommends changing password.


ニコニコ動画に不正ログイン攻撃、約220万回の試行で17万円の被害　―ITpro
http://itpro.nikkeibp.co.jp/article/NEWS/20140613/564042/