Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Medical Mutual of Ohio

Disclosed Dec 6, 20131,420 affectedConfirmed

Official notice

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What is known

People affected1,420 (as reported to HHS)
DisclosedDec 6, 2013
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Medical Mutual of Ohio (Business Associate, OH)

Notices filed

TotalDec 6, 2013
HHS archive643 people
TotalJan 27, 2014
HHS archive1,420 people

Other breaches at Medical Mutual of Ohio

Hacking breachHacking exposed names and health records. Reported to the HHS archive.1,377 affectedHealthcareUSAug 17, 2022Insider breachInsider exposed names and health records. Reported to the HHS archive.6,119 affectedInsuranceUSSep 15, 2017
History of this record
disclosed2026-09-25
2014-01-27 to 2013-12-06by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about Medical Mutual of Ohio