Every public data breach

44 disclosed this week · 26,355 on record

Builders FirstSource Flex Plan

Disclosed May 30, 20233,763 affectedConfirmed

Official notice

The covered entity (CE), Builders FirstSource Flex Plan, reported that it experienced a ransomware attack that compromised the protected health information (PHI) of 3,763 individuals. The PHI involved included names, addresses, dates of birth, social security numbers and enrollment information. The CE notified HHS, the affected individuals, and the media. The CE also provided substitute notification to the individuals. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI.

What is known

People affected3,763 (as reported to HHS)
DisclosedMay 30, 2023
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

Other breaches at Builders FirstSource Flex Plan

History of this record
Added2026-09-25
First recordedby backfillSource

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

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