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Serco Inc. Group Health Plan

Disclosed Aug 22, 202310,140 affectedConfirmed

Official notice

Serco Group Health Plan, the covered entity (CE), reported that its business associate (BA) experienced a ransomware attack and data breach that compromised the protected health information (PHI) of 10,140 individuals. The PHI involved included names, addresses, Social Security numbers, and birthdates. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the BA implemented additional administrative, technical, and security safeguards to better protect its sensitive data.

What is known

People affected10,140 (as reported to HHS)
DisclosedAug 22, 2023
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

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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