Connecticut Data Breaches — Page 2

Chrysler experienced a data breach in late 2025, with the Everest ransomware group claiming to have stolen over 1TB of data affecting customers nationwide.

Brightstar Global Solutions Corporation, also known as Brightstar Lottery Group, experienced a data breach in 2024 where an unauthorized third party accessed internal systems affecting personal data.

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.

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.

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.

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.

Illuminate Education experienced a data breach in December 2021, affecting more than 10 million students nationwide, with notifications for some districts delayed by nearly two years.