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SettlementMedium RiskMultistate

Massachusetts AG Secures $515K Settlement with Comstar for HIPAA Breach

Comstar, LLCJanuary 28, 2026Massachusetts Attorney General

Penalty Amount

$515,000

Consumers Affected

349,255

Summary

Massachusetts Attorney General secured a $515,000 settlement with Comstar, LLC for a March 2022 data breach that exposed sensitive patient information of over 326,000 Massachusetts residents. Comstar violated Massachusetts Data Security regulations and HIPAA by failing to maintain adequate security measures. The settlement includes monetary payment and mandated security improvements.

Remedy

Comstar must pay $515,000, implement security measures such as phishing protection, multi-factor authentication, and conduct annual security assessments for three years, reporting to Massachusetts and Connecticut AGs.

Monetary PenaltyConsent DecreeAudit RequirementCompliance Program

Laws Cited

Massachusetts Data Security regulationsHealth Insurance Portability and Accountability Act (HIPAA)

Violation Types

Entity Details

Entity

Comstar, LLC

Also known as: Comstar

Industry

Healthcare

Multistate Coalition

Official Sources

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Comstar, LLC, an ambulance billing vendor, suffered a data breach in March 2022 that exposed sensitive patient information, including Social Security numbers and medical records, of over 349,000 residents in Connecticut and Massachusetts. The settlement requires Comstar to pay $515,000 and implement enhanced security measures such as phishing protection and annual security assessments.

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