The Hartz Mountain Corporation

The Hartz Mountain Corporation experienced an external system breach on March 7, 2024. The incident compromised the names and Social Security numbers of 7,740 individuals, including 5 Maine residents. The breach was discovered on October 7, 2024, and written notifications were sent to affected individuals on October 18, 2024.

Hartz Mountain Corporation notified New Hampshire residents of unauthorized access to its computer system observed on March 7, 2024. The investigation confirmed that some personal information was present in the accessible dataset. The company implemented additional technical safeguards, provided employee training, and notified regulators and credit reporting agencies.

The Hartz Mountain Corporation reported a data breach to the Indiana Attorney General. The breach occurred on 2024-03-07 and was reported on 2024-10-18. 349 Indiana residents were affected. 7,740 individuals affected in total.

The Hartz Mountain Corporation reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-10-18. 28 Massachusetts residents were affected.

THE HARTZ MOUNTAIN CORPORATION filed a data-breach notice with the Illinois Attorney General in October 2024 (case 24-10-035). The register records the breach as discovered on March 7, 2024. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.