Another interesting article by our content partners at HackersNewsBullentin.com:

According to the notice by Konami on 9^th July, they confirmed unauthorized login attempts to the KONAMI ID Portal site and after that they requesting users to change their passwords.

The firm, which makes notable games including Pro Evolution Soccer and Metal Gear Solid, said the unauthorised logins occurred on its Konami ID portal site between 13 June and 7 July. Konami IDs are used to manage logins for all online services provided by the company

Konami also warned 35,252 accounts holders personally to change their passwords because these 30,000+ accounts were seems to be compromised and the ids which were compromised are not accessible till they change their passwords.

According to KONAMI:

Read the rest on their site here.