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Information Leak at Japan Pension Service

July 27, 2026
Unauthorized access to Japan Pension Service's system resulted in information leakage.
Japan Pension Service announced that unauthorized access caused up to 1.25 million personal data breaches. Affected individuals will be informed individually and receive new pension numbers. Foreign residents in Japan may also be affected. Beware that no official details will be communicated via phone or email. Check official updates on websites of Japan Pension Service and Ministry of Health, Labour, and Welfare. Source: 厚生労働省 https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/0000152638.html This article was independently rewritten by SIAデジタルテクノロジー株式会社 based on the official announcement above.

This information is reference material based on official announcements. Always verify accurate information on official websites or with relevant authorities.