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Massachusetts Data Breaches — Page 13
Browse data breaches affecting Massachusetts residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 20 breaches affecting Massachusetts
Barrett-Jackson Holdings, LLC
Discovered Nov 25, 2024
Barrett-Jackson Holdings, LLC, an Arizona-based collector car auction company, experienced a data breach in November 2024 that affected an estimated 145 to 235 individuals in Indiana and Montana.
You may be entitled to compensation
Southeast Series of Lockton Companies, LLC
Discovered Nov 20, 2024
The Southeast Series of Lockton Companies, LLC data breach was discovered on November 20, 2024, and regulator records identify the incident as affecting approximately one million people. Reported data types include names, dates of birth, Social Security numbers, health information, and medical information.
You may be entitled to compensation
Centers for Medicare & Medicaid Services
Discovered Nov 5, 2024
A data incident involving Medicare.gov accounts operated by the Centers for Medicare & Medicaid Services (CMS) may have impacted approximately 103,000 Medicare beneficiaries, not Aetna, with notifications sent in 2023 or 2024.
Finastra Technology, Inc.
Discovered Oct 31, 2024
Finastra Technology, Inc. experienced a data breach between October and November 2024, resulting in the exposure of personal information for hundreds of thousands of individuals.
You may be entitled to compensation
Tekni-Plex, Inc.
Discovered Oct 25, 2024
Tekni-Plex, Inc. experienced a confirmed ransomware data breach in late 2024, affecting at least 2,600 individuals across multiple states.
You may be entitled to compensation
Cierant Corporation
Discovered Oct 22, 2024
Cierant Corporation, a vendor for Horizon Blue Cross Blue Shield of New Jersey, experienced a data breach in December 2024, affecting 232,506 individuals. This breach was confirmed by regulatory filings.
S.V.D.P. Management Inc.
Discovered Sep 26, 2024
S.V.D.P. Management Inc., an administrative service provider for Father Joe's Villages, experienced a data breach in late 2024, confirmed by regulatory filings and company statements.
You may be entitled to compensation
Texas Tech University Health Sciences Center El Paso
Discovered Sep 17, 2024
Texas Tech University Health Sciences Center El Paso experienced a regulator-confirmed data breach beginning in 2024 that may have affected approximately 815,000 people. Reported information included Social Security numbers, medical and health insurance information, financial account information, and other personal data.
Healthcare Services Group, Inc
Discovered Sep 1, 2024
Healthcare Services Group, Inc. experienced a data breach in 2024 that impacted over 624,000 individuals across 48 U.S. states.
You may be entitled to compensation
The Phia Group
Discovered Jul 8, 2024
The Phia Group experienced a data breach in July 2024 that exposed the personal and health information of over 125,354 individuals nationwide.
You may be entitled to compensation
Dulcich Inc
Discovered Jun 24, 2024
Dulcich Inc., operating as Pacific Seafood, experienced a data breach in June 2024 involving unauthorized access to personal information.
You may be entitled to compensation
Bitcoin Depot, Inc.
Discovered Jun 23, 2024
Bitcoin Depot, Inc., a cryptocurrency ATM operator, experienced a data breach in 2024 that exposed the personal information of nearly 27,000 individuals.
UA Sprinkler Fitters Local 669 JATC
Discovered May 17, 2024
UA Sprinkler Fitters Local 669 JATC experienced a data breach in 2024 that compromised the personal information of over 20,000 individuals.
You may be entitled to compensation
Landmark Admin, LLC
Discovered May 13, 2024
Landmark Admin, LLC experienced a 2024 data breach affecting approximately 1.6 million people. Reported exposed information included Social Security numbers and financial information; the incident involved Landmark Admin’s administration of information for Liberty Bankers Insurance Group and Accendo Insurance Company.
Abri Credit Union
Discovered May 3, 2024
Abri Credit Union experienced a data breach in 2024 that was discovered in late 2025, affecting at least 2,942 individuals.
You may be entitled to compensation
Dordt University
Discovered Apr 21, 2024
Dordt University experienced a data breach in April 2024, affecting 34,251 individuals and exposing Social Security numbers and other personal information.
You may be entitled to compensation
ALN Medical Management, LLC
Discovered Mar 18, 2024
ALN Medical Management, LLC experienced a March 2024 healthcare data breach, with final reports indicating over 1.3 million individuals were affected.
Outdoor Smart! Inc.
Discovered Feb 15, 2024
Outdoor Smart! Inc. (Campfire Collective) experienced a data breach in 2024 that exposed sensitive personal and payment information.
Medusind, Inc.
Discovered Dec 29, 2023
Medusind, Inc. experienced a regulator-confirmed data breach on December 29, 2023, involving personal, medical, insurance, payment, and government-identification information. The number of affected individuals has not been publicly identified in the sources reviewed.
Cornerstone First Mortgage
Discovered Jul 1, 2023
Cornerstone First Mortgage experienced a data breach in 2023, publicly reported in March 2026, which exposed sensitive personal information.
You may be entitled to compensation
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