Every public data breach

47 disclosed this week · 26,367 on record

City of McKinney

Disclosed Feb 3, 202517,751 affectedConfirmed

Official notice

City of McKinney, the covered entity (CE) reported that it experienced a ransomware incident that affected the protected health information (PHI) of 17,751 individuals. The PHI involved included demographic, clinical, and financial information. The CE notified HHS, affected individuals, and the media. In response to the breach and OCR’s investigation, the CE revised its policies and procedures, implemented additional technical safeguards and retrained its workforce members.

What is known

People affected17,751 (as reported by the organization)
DisclosedFeb 3, 2025
HappenedOct 31, 2024
AttackInsider
Data exposedNamesHealth
SectorGovernment · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to insiderby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
disclosed2026-09-25
2025-02-04 to 2025-02-03by backfillSource
summary2026-09-25
empty to City of McKinney, the covered entity (CE) reported that it experienced a ransomware incident that affected the protected health information (PHI) of 17,751 individuals. The PHI involved included demographic, clinical, and financial informatby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 17751by backfillSource
occurred2026-09-25
empty to 2024-10-31by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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