Deanco Healthcare LLC dba Mission Community Hospital
ArchivedSubmitted 06/30/2023
Updated 9 hours ago ()
State
CA
Covered entity type
Healthcare Provider
Individuals affected
269,847
Business associate present
No
Type of breach
Hacking/IT Incident
Location of breached information
Network Server
First seen by InfoSec Signals
Sep 23, 2026
Last seen in OCR export
Oct 26, 2026
OCR description
The covered entity (CE), Deanco Healthcare dba Mission Community Hospital, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 269,847 individuals. The PHI involved included names, dates of birth, drivers’ license information, Social Security numbers, claims information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE offered free credit monitoring to affected individuals and implemented additional technical safeguards to better protect its PHI. OCR provided technical assistance regarding the HIPAA Rules.
Change history
Change history
Sep 23, 2026
Added 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.
Printed from infosecsignals.com. Every record links back to the agency that published it.
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