Sankei Living Shimbun security incident history
Hacking, data breaches and other security incidents involving Sankei Living Shimbun, with related coverage.
Sankei Living Shimbun warns up to about 1.72 million records may have leaked in October breach
1.7MImpact: Up to approximately 1.72 million personal information records, including duplicates, may have been leaked (the actual number of leaked records and affected people remains unconfirmed).
On November 9, Sankei Living Shimbun released follow-up investigation findings on unauthorized access to a server detected on October 16, 2026. Up to approximately 1.72 million personal information records, including duplicates, may have been leaked, with names, addresses, email addresses, and hashed passwords among the data involved. Application information for projects commissioned by local governments may also have been leaked, but neither an actual leak nor the number of people affected has been confirmed.
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