Personal Information Protection Commission Issues Advisory on Large-Scale Data Breaches
SUMMARY
The Personal Information Protection Commission published an advisory titled "Responses Based on Large-Scale Leakage Incidents (Advisory)" dated October 7, 2026, and also released an explanatory video; the press release is available as a PDF (1581KB) with an addendum on October 9, 2026, aimed at guiding company and organizational responses.
The Personal Information Protection Commission published "Responses Based on Large-Scale Leakage Incidents (Advisory)" dated October 7, 2026. The press release is available in PDF format, with a file size of 1581KB, and an addendum was added on October 9, 2026.
An explanatory video outlining the purpose of the advisory has also been released. The materials and video are intended to show the actions companies and organizations should take in response to the incident, and to highlight points for prevention and mitigation of harm.
This advisory is issued in response to large-scale incidents such as personal information leaks; detailed methods and procedures are provided in the published materials (PDF) and the explanatory video. Organizations are required to review those materials and consider revising their own personal information management and incident response policies.
- #Personal Data Protection
- #Data Breach Response
- #Security Advisory
Source
ＫＫパートナーズ（お知らせページ） — https://kkpartners.jp/oshirase/41684/This article summarizes the content of the source below. Refer to the original source for accuracy. Last updated: October 21, 2026
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