Top Priority: Strengthening Information Security and Personal Information Protection
First written in FY2016. 10 of 15 entries say "Advanced", first in FY2017. Latest entry: 2026-07-21.
The whole theme swung hardest in 2019: 2 of 20 companies on the "Worse" side.
31 other companies' latest entry also says "Advanced".
- 2026-07-21AdvancedOccurring FactSuggests it is closing out
「We hereby announce that we submitted the final report to the Ministry of Internal Affairs and Communications and the Personal Information Protection Commission on 15 July 2026 and that it was received.」
The final report to the administrative authorities on measures to prevent recurrence following the unauthorized-access incident in November 2023 was submitted and received. This marked progress and a milestone in the reporting process, while efforts to restore trust are continuing. - FY2026AdvancedAnnual report
「As of the end of March 2026, we had completed the separation of systems and private networks from NAVER Corporation and NAVER Cloud Corporation, and had completed the principal measures formulated to prevent recurrence.」
As measures to prevent recurrence of the unauthorized access incident in November 2023, we completed the separation of systems and private networks from NAVER Corporation and NAVER Cloud Corporation. - FY2026-H1AdvancedAnnual report
「On 19 October 2025, we confirmed that a system outage caused by a ransomware infection had occurred at our consolidated subsidiary ASKUL Corporation. In cooperation with outside experts and relevant organizations, we are investigating the scope of the impact, including any external leakage of personal information and customer data, and working to restore the systems.」
After the reporting period, a system outage caused by a ransomware infection occurred at ASKUL Corporation, and an impact investigation and recovery efforts are under way in cooperation with outside experts and relevant organizations. - FY2025AdvancedAnnual report
「Regarding the information leakage caused by unauthorized access that we announced in November 2023, we received administrative guidance from the Ministry of Internal Affairs and Communications and recommendations from the Personal Information Protection Commission in fiscal 2023, as well as additional administrative guidance from the Ministry of Internal Affairs and Communications in fiscal 2024. In addition, regarding the malfunction in LINE albums in which thumbnail images were not displayed correctly in November 2024, we received administrative guidance from the Ministry of Internal Affairs and Communications in fiscal 2024.」
Following additional administrative guidance regarding the unauthorized access incident and administrative guidance regarding the LINE album malfunction, we remain at the stage of continuing to report and disclose measures to prevent recurrence. - FY2024AdvancedAnnual report
「In fiscal 2023, we received guidance from the Ministry of Internal Affairs and Communications and recommendations from the Personal Information Protection Commission regarding the information leakage and other issues caused by unauthorized access that we announced in November 2023. We also received guidance from the Personal Information Protection Commission regarding the malfunction in the internet auction service announced in August 2023.」
Following information leakage and other issues caused by unauthorized access, we moved to the stage of fundamentally reviewing security control measures, oversight of service providers, and security governance across the Group, and reporting and disclosing measures to prevent recurrence and their progress. - FY2023AdvancedAnnual report
「In response to the recommendations presented in the report, we implemented initiatives to improve data governance across the Group, commissioned an outside law firm to verify the status of those initiatives, and compiled a follow-up report in December 2022.」
Following the special committee’s final report, we implemented improvement measures across the Group and progressed to verification by an outside law firm and the compilation of a follow-up report in December 2022. - FY2022-Q3RestatedAnnual report
「In response to the special committee’s recommendations, we will further promote and strengthen initiatives already under way, appropriately share with each operating company in our Group the knowledge gained through LINE Corporation’s initiatives to strengthen company-wide governance and risk management functions, as well as other examples, and further advance efforts to improve governance across the Group.」
We have reconfirmed our policy of sharing the recommendations of the Special Committee on Global Data Governance with each operating company and improving governance across the Group. - FY2022-Q2AdvancedAnnual report
「In March 2021, we established the Special Committee on Global Data Governance, composed of outside experts, to examine and assess the handling of data within our Group from security and governance perspectives, and received the committee’s Final Report of the Special Committee on Global Data Governance in October of the same year. In response to the committee’s recommendations, we will further promote and strengthen initiatives already under way, appropriately share with each operating company in our Group the knowledge gained through LINE Corporation’s initiatives to strengthen company-wide governance and risk management functions, as well as other examples, and further advance efforts to improve governance across the Group.」
We received the final report of the special committee of outside experts and moved to the stage of sharing its recommendations with each operating company and improving data governance across the Group. - FY2021AdvancedAnnual report
「In March 2021, we established the Special Committee on Global Data Governance, composed of outside experts, to examine and assess the handling of data within our Group from security and governance perspectives. We also established a technical review subcommittee composed of outside experts in cybersecurity to provide the special committee with technical support.」
In response to the increase in the volume of data handled following the LINE integration, we established a special committee of outside experts and a technical review subcommittee for cybersecurity. - FY2019AdvancedAnnual report
「We are also working to raise the level of information security across the Group by introducing malware protection systems similar to our own at multiple subsidiaries and assigning personnel from our information security organization to those subsidiaries, among other measures.」
We are rolling out information security measures at multiple subsidiaries and raising the standard across the Group through system implementation and the assignment of personnel to subsidiaries. - FY2018RestatedAnnual report
「We also support our subsidiaries by providing rules and regulations needed to implement information security measures equivalent to those of our company, as well as assistance in obtaining third-party certifications.」
We expanded the scope of information security measures from the company alone to the entire Group, including subsidiaries and affiliates, and are providing rules and regulations, supporting certification acquisition, and promoting information sharing. - FY2017AdvancedAnnual report
「We undergo an annual third-party review of our Information Security Management System (ISMS) and renew its certification.」
We renewed our ISMS certification following a third-party review and continue implementing measures through the CISO and the organization overseeing information security. - FY2016First statedAnnual report
「Our Group is giving top priority to strengthening security, particularly the protection of personal information.」
The disclosure describes multilayered measures including PCI DSS Level 1 certification, renewal of ISMS certification, and access restrictions and oversight of service providers.