Every public data breach

44 disclosed this week · 26,355 on record

Houston Methodist Hospital

Disclosed Mar 17, 20171,417 affectedConfirmed

Official notice

A workforce member sent an email to 1,359 patients without using the “blind carbon copy” or “bcc” field, which allowed the patients to see each other’s email addresses. The covered entity (CE) provided breach notification to HHS. affected individuals, and the media. In response to the incident, the CE updated technical safeguards and re-trained its workforce members on the proper use of email when communicating with patients. OCR obtained assurances that the CE implemented the corrective actions listed above.

What is known

People affected1,417 (as reported to HHS)
DisclosedMar 17, 2017
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Houston Methodist Hospital

History of this record
records2026-09-25
1359 to 1417by backfillSource
disclosed2026-09-25
2017-09-25 to 2017-03-17by 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.

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