Netmarble said on the 27th that a hack of its PC game site on the 22nd led to the leak of personal information of 6.11 million customers, franchisees, and employees.
The leaked information includes names, dates of birth, and encrypted passwords. A Netmarble official said, "It was confirmed that there was no leak of unique identifiers or sensitive information such as resident registration numbers."
In addition, although personal information such as names and dates of birth had already been deleted and is not identifiable, more than 31 million dormant IDs and encrypted passwords that had remained were also was found to have been leaked. Netmarble explained that the IDs appear to have been created in duplicate on the PC portal site, up to five per member.
In addition, it was tentatively tallied that about 17,000 records were leaked, including the names of business owners, IDs and email information for approximately 66,000 PC café franchise locations before 2015, and the names, dates of birth, and company email addresses of current and former employees.
Netmarble said it disclosed the specific scope of the breach to minimize customer confusion and ensure transparency of information disclosure.
A Netmarble official said, "We sincerely apologize for the leak of personal information due to this hacking incident," and added, "We are doing our utmost to ensure that customers suffer no actual damage, and we promise to cooperate as faithfully as possible with the investigation by the relevant authorities. In addition, we will conduct expanded inspections across the system and make every effort to establish measures to prevent recurrence."
According to Netmarble, the games affected by the leak are 18 titles serviced through the Netmarble PC site, including Go, janggi, MaguMagu, Sichuan, and Vegetable Village. Mobile games and games run through the Netmarble Launcher are not affected.