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44 disclosed this week · 26,355 on record

K and B Surgical Center

Disclosed Jul 28, 202114,774 affectedConfirmed

Official notice

The covered entity (CE), K&B Surgical Center, reported that it was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 14,774 individuals. The ePHI involved included names, dates of birth, Social Security numbers, drivers’ license numbers, addresses, diagnoses, medications prescribed, health insurance information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided complimentary credit monitoring and identity theft protection services. In response to the breach, the CE disabled its network, secured its systems, hired an IT forensic firm to investigate the breach, retrained workforce members, and implemented additional technical safeguards.

What is known

People affected14,774 (as reported to HHS)
DisclosedJul 28, 2021
HappenedMar 24, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
organization to hhsby backfillSource
records2026-09-25
14772 to 14774by backfillSource
disclosed2026-09-25
2021-09-03 to 2021-07-28by backfillSource
summary2026-09-25
empty to The covered entity (CE), K&B Surgical Center, reported that it was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 14,774 individuals. The ePHI involved included names, dates of birth, Sby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 14772by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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