critical severity January 13, 2025 · 1 min read

William S. Hein & Co., Inc. Data Breach Notice (Massachusetts Attorney General)

If you received a notice from William S. Hein & Co., Inc., here’s what the filing says was exposed, and what to do about it.

William S. Hein & Co., Inc. notified Massachusetts residents of a data breach in a filing reported to the Massachusetts Office of Consumer Affairs on January 13, 2025, and the notice lists social security numbers, financial account numbers, driver's license numbers and credit or debit card numbers among the information exposed.

William S. Hein & Co., Inc. Data Breach Notice (Massachusetts Attorney General)

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Report details & sourcing

Severity Critical identifiers that cannot be reissued, alongside documents or accounts that can be misused now

Disclosed January 13, 2025

Last reviewed July 22, 2026

Affected 3

Data exposed Social Security numbersFinancial account numbersDriver's license numbersCredit or debit card numbers

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GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

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