The company also said it will work on strengthening its security system.īack in November, Capcom was also the victim of a cyber attack, targeting employee personal information and financial data. Koei Tecmo apologised for the 'concern and inconvenience' caused by the attack, and added that it will take 'appropriate measures' concerning users who have had their data stolen and leaked. Both read the following message when trying to access them: 'Due to the possibility of an external cyber attack on this website, it is temporarily closed as we investigate the issue.' The KTE website has remained offline since, as well as the Koei Tecmo America website. The company added that 'the possibility of it being a ransomware attack is low.' Koei Tecmo studio Team Ninja has long had an association with the Xbox brand, and has helped develop a number of Xbox exclusive games for the publisher. However, in its notice, Koei Tecmo says the perpetrator has not been identified yet, and neither are the method and process. They initially offered to sell the data collected in exchange for bitcoins, before leaking it for free on December 23. No credit card information has been compromised, the company said.īleeping Computer reported that someone claimed responsibility for the attack on December 18 on a hacker forum.

In a notice published on December 25, Koei Tecmo clarified that it's the website operated by its UK subsidiary (Koei Tecmo Europe Limited, or KTE) that was targeted, specifically its forum page and associated user information. The attack reportedly happened mid-December, and could have compromised email addresses, account names, and passwords of 65,000 users. Japanese publisher and developer Koei Tecmo has been the victim of a cyber attack, with its European and American websites and forums remaining down at the time of writing.

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