The Hartz Mountain Corporation Data Breach Notice (Massachusetts Attorney General)
If you received a notice from The Hartz Mountain Corporation, here’s what the filing says was exposed, and what to do about it.
The Hartz Mountain Corporation notified Massachusetts residents of a data breach in a filing reported to the Massachusetts Office of Consumer Affairs on October 18, 2024, and the notice lists social security numbers, financial account numbers and driver's license numbers among the information exposed.
Report details & sourcing
Severity
Critical
identifiers that cannot be reissued, alongside documents or accounts that can be misused now
Disclosed
October 18, 2024
Last reviewed
July 22, 2026
Affected
28
Data exposed
Social Security numbersFinancial account numbersDriver's license numbers
Editorial & sourcing policy
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