日本医業経営コンサルタント協会Data breach / unauthorized access incident
- Occurred on
- April 17, 2026
- Announced on
- June 4, 2026
- Severity
- BIncidents centered on names and contact details.
- Scale
- 1,051 records
- Main impact
- An email account of the Iwate Prefecture branch was accessed without authorization, affecting information related to 1,051 accounts with which it had previously exchanged communications. Secondary harm such as spam sending is a concern.
- Information involved
- Email addressFull name
- Cause / key point
- Cause under investigation.
- Industry
- Healthcare
- Listing / capital
- Non-profit corporation
Association (non-profit organization)
- Last updated
- October 20, 2026
Is this incident worth paying attention to?
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Related incidents
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Incidents related to "メールアカウント"
Incidents where the damage spread through the same service or system.
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Same attack method
- SSソースネクスト2026.10.15 announced・Affected 22,519,960 records
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Same industry
- SSHealing Paper（Unni）2026.09.10 announced・Affected 219,665 people
- Sメドレー（アットリンク）2026.10.15 announced・Affected 787 records
- SAxcelead Drug Discovery Partners株式会社2026.07.22 announced・Affected 7,000 records
- S藤田医科大学病院2026.06.03 announced・Affected 1,365 records
- S白山石川医療企業団 公立つるぎ病院2025.11.17 announced・Affected 19 people
- A旭化成セラピューティクス（Pharma DIGITAL）2026.10.06 announced・Affected 514,000 people
Attack method classification: Unauthorized access (method undisclosed)(Breached, but the technique was not identified or disclosed)
Read the Unauthorized access (method undisclosed) guide and national trends →