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Missouri Department of Mental Health

ArchivedSubmitted 11/08/2024

Updated 13 hours ago ()

State
MO
Covered entity type
Healthcare Provider
Individuals affected
537
Business associate present
No
Type of breach
Unauthorized Access/Disclosure
Location of breached information
Email
First seen by InfoSec Signals
Sep 23, 2026
Last seen in OCR export
Oct 25, 2026

OCR description

The covered entity (CE), Missouri Department of Mental Health, reported that an employee erroneously sent an unencrypted email message containing the protected health information (PHI) of 537 individuals to the wrong individuals. The PHI involved included names, Social Security numbers, addresses, and dates of birth. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards. Staff were retrained.

Change history

  • Sep 23, 2026Added to OCR's archive list

Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source

Records are reproduced as published; entity names and figures are OCR's.

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