Every public data breach

47 disclosed this week · 26,367 on record

SightCare

Disclosed Oct 28, 2022637,999 affectedConfirmed

Official notice

SightCare, the covered entity (CE), reported that its business associate (BA) experienced a cyber-attack that affected the protected health information (PHI) of 637,999 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, taxpayer identification numbers, drivers’ license or state identification numbers, financial information, diagnoses, medications, health insurance information, claims information, and other treatment information. The CE notified HHS, the affected individuals, and the media. In its mitigation efforts, the CE and BA provided free credit monitoring and identity restoration services and implemented additional administrative and technical safeguards to further protect its sensitive data. OCR provided technical assistance regarding the HIPAA Rules.

What is known

People affected637,999 (as reported to HHS)
DisclosedOct 28, 2022
DiscoveredMay 12, 2021
HappenedApr 20, 2021
AttackRansomware
Data exposedNamesHealth
SectorNonprofit · US
StatusConfirmed

Sources

Notices filed

History of this record
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 637999by backfillSource
summary2026-09-25
empty to SightCare, the covered entity (CE), reported that its business associate (BA) experienced a cyber-attack that affected the protected health information (PHI) of 637,999 individuals. The PHI involved included names, addresses, dates of birthby backfillSource
sector2026-09-25
other to nonprofitby backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2021-05-12by 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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