Court Rules
All enforcement actions
SettlementMedium RiskMultistate

CT and MA AGs Settle with Comstar for $515K Over Patient Data Breach

Comstar, LLCJanuary 28, 2026Connecticut Attorney General

Penalty Amount

$515,000

Consumers Affected

349,255

Summary

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.

Remedy

Comstar must pay $515,000 and implement security measures including phishing protection software, vulnerability management program, multi-factor authentication, and conduct annual security assessments for three years with reports to the Connecticut and Massachusetts Attorneys General.

Monetary PenaltyCompliance ProgramAudit RequirementReporting Requirements

Contract Impact

In-house legal teams should review vendor agreements, data processing agreements, and Business Associate Agreements (BAAs) with entities like Comstar that handle sensitive patient data. Key clauses to scrutinize include data security standards, breach notification requirements, HIPAA compliance obligations, audit rights, and indemnification provisions. Given the settlement, contracts should be updated to mandate specific security measures such as phishing protection and annual security assessments, ensure prompt breach notification in line with state and federal laws, and include robust indemnification clauses to cover potential liabilities from data breaches involving protected health information.

Contract Search Terms

HIPAA compliancedata security standardsbreach notification protocolencryption requirementsannual security assessmentsphishing protection measuresprotected health information (PHI) handlingvendor indemnification for data breachesaudit rights for securitydata retention and disposal

Laws Cited

Connecticut and Massachusetts security and consumer protection lawsHealth Insurance Portability and Accountability Act (HIPAA)

Violation Types

Entity Details

Entity

Comstar, LLC

Also known as: Comstar

Industry

Healthcare

Multistate Coalition

Official Sources

Source Evidence

Entity Name
"Comstar, LLC"
Fine Amount
"$515,000"
Laws Cited
"Health Insurance Portability and Accountability Act (HIPAA)"
Laws Cited
"Connecticut and Massachusetts security and consumer protection laws"
Violation Types
"data breach"
Violation Types
"failing to implement basic, necessary security measures"

Related Enforcement Actions

MA

Comstar, LLC

$515K

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.

CT

SunRun, Inc.

$500K

Connecticut Attorney General William Tong announced settlements with SunRun, Inc., Elevate Solar Solutions, and two salespeople over allegations of deceptive solar sales, including impersonating consumers and locking homeowners into long-term contracts without consent. SunRun must pay $300,000 and provide consumer relief; Elevate and the salespeople face a stated $200,000 penalty, with $100,000 suspended subject to ongoing compliance.

CT

Mylan

$8.0M

Connecticut announced an $8 million settlement with Mylan over allegations that it used agreements to delay generic EpiPen competitors and took other actions that inflated prices. Mylan also agreed to provide 10,000 free EpiPens; the release states that Mylan denies wrongdoing.

CT

U.S. Department of Homeland Security

Connecticut Attorney General William Tong joined a coalition of 22 attorneys general in filing an amicus brief challenging DHS’s policy and practice of conducting warrantless civil immigration arrests. The press release describes a court challenge, not a privacy enforcement action or monetary penalty.

CT

Frontier Communications Parent Inc.

$625K

Connecticut reached a $625,000 settlement with Frontier Communications Parent Inc. over an April 2024 breach in which compromised employee and vendor credentials were used to access internal systems and exfiltrate unencrypted personal information of 58,841 Connecticut residents. The settlement requires Frontier to strengthen its security program, implement specific safeguards and training, and obtain an independent third-party assessment.

CT

Boston Children’s Health Physicians and XTIUM

$2.6M

Connecticut and New York found that Boston Children’s Health Physicians and its security vendor, XTIUM, failed to use reasonable safeguards, resulting in hackers accessing sensitive personal, medical, and employee information. The companies agreed to pay penalties totaling $2.64 million and implement enhanced cybersecurity measures.