Unauthorized access at Yamagata Prefecture newsletter contractor
Unauthorized access occurred at the company responsible for operating Yamagata Prefecture's email newsletter. The prefecture announced its investigation results on November 12, with no information leaks confirmed from services it operates.
Key facts
- Affected organization
- Yamagata Prefecture
- Incident type
- Hacking & intrusion
- Occurred / detected
- Not confirmed
- Scale of damage
- Not confirmed
- Cause / method
- Unauthorized access to the contractor operating the email newsletter
- Location
- Japan
Timeline
- Yamagata Prefecture announced the results of its investigation into unauthorized access at its email newsletter contractor.
- No information leaks were confirmed from services operated by Yamagata Prefecture.
Also affected by this incident
Unauthorized access to Satofull email service exposes information
↳ Knock-on damage from the Yamagata Prefecture incident · View original incidentUnauthorized access to Satofull Co., Ltd.'s email delivery service resulted in an information leak. The city of Shima announced the leak on November 3, 2026.
Read on 志摩市 ↗
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The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.