Builders FirstSource Flex Plan (TX, Health Plan) reported to HHS on 2023-05-30 a ransomware attack affecting 3,763 individuals. The breached PHI — stored on a Network Server — included names, addresses, dates of birth, Social Security numbers, and enrollment information. The CE notified HHS, affected individuals, and the media, and provided substitute notification. In response, additional administrative, technical, and security safeguards were implemented.
Affected (this filing): 3,763