Japanese video game maker Nintendo reported a massive breach in one of its main fan sites, Club Nintendo, involving illicit login attempts during June and early July 2013, with the hackers accessing about 24,000 user accounts.
The company said the hackers could have hacked data including the names, home addresses, phone numbers and email addresses of members.
According to the game maker, over a period of time, hackers attacked nearly 15.5 million logins, and of those attempts they gained access only to 23,926.
The investigated login data revealed that the hacking attempts started on 09 June 2013.
Nintendo spokesman Yasuhiro Minagawa said that the illegal login attempts were limited to Japanese accounts.
"There were scattered attempts to login since June 9, but we became aware of the issue after the mass attempt on July 2." Minagawa said.
The firm has already suspended the accounts and passwords used in the unauthorised access and has been contacting members whose data may have been illegally accessed to modify their login credentials.
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PlayStation game console maker Sony Entertainment also faced hacking attacks in 2011, which resulted in suspension of almost 93,000 accounts on its online gaming and entertainment servers.
