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Wyoming Department of Health

Disclosed Apr 29, 20215 years ago164,010 affectedConfirmed

Official notice

The covered entity (CE), Wyoming Department of Health, reported that an employee inadvertently made the protected health information (PHI) of 164,010 individuals viewable over the Internet. The PHI involved included names, addresses, dates of birth, drivers’ license numbers, and laboratory results. As a result of OCR’s investigation, the CE implemented additional administrative and technical safeguards to better protect sensitive data. All workforce members were retrained on protecting and securing PHI.

What is known

People affected164,010 (as reported to HHS)
DisclosedApr 29, 2021
AttackInsider
Data exposedNames, Health
SectorInsurance · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Wyoming Department of Health (Health Plan, WY)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalApr 29, 2021164,010

Other breaches at Wyoming Department of Health

BreachAffected
Disclosed Jun 25, 2019Jun 25, 20197 years agoInsider2,154
Disclosed Dec 16, 2013Dec 16, 201312 years agoHacking12K
Disclosed Mar 2, 2010Mar 2, 201016 years agoInsider9,023
History of this record
  • 2026-09-25 · added · backfill source

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

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