山口大学（教職員メール）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- October 6, 2026
- Severity
- SCompromise of deep personal data or usable credentials.
- Scale
- 1 accounts
- Main impact
- Acquisition of contacts was confirmed: 967 contacts are believed to have been exposed, 463 addresses received suspicious emails, and credentials were stolen from one staff member's account. No additional personal data leakage has been confirmed at this time.
- Information involved
- Email addressUser / member IDPasswordFull name
- Cause / key point
- Takeover of a staff email account via phishing.About Targeted email & phishing
- Industry
- Education
- Listing / capital
- Government / public body
- Last updated
- October 20, 2026
Is this incident worth paying attention to?
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Attack method classification: Targeted email & phishing(Fake emails and sites that steal credentials)
Read the Targeted email & phishing guide and national trends →