Administrative Guidance from Japan’s Ministry of Internal Affairs and Communications Regarding the External Transmission of LINE GAME Users’ Internal Identifiers

Security Announcements

LY Corporation today received an administrative guidance from Japan’s Ministry of Internal Affairs and Communications (MIC), regarding the external transmission of LINE GAME users’ internal identifiers, announced on July 13,2026.

We sincerely apologize for the concern and inconvenience caused to our users and all those affected.

Outline of the issue

https://www.lycorp.co.jp/en/privacy-security/announcement/020633/

Details of MIC’s guidance

  1. Proper management of specified user information and other information, and recurrence prevention
  2. Compliance with the external transmission disciplines

We take this administrative guidance very seriously and will thoroughly implement measures to prevent recurrence by strengthening the management of specified user information and other information, while ensuring compliance with applicable laws and regulations. We will also continue striving to provide services that our users and stakeholders can use with confidence.

Unless otherwise specified, English-language documents are prepared solely for the convenience of non-Japanese speakers. If there is any inconsistency between the English-language documents and the Japanese-language documents, the Japanese-language documents will prevail.

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