Sax Data Breach Exposes Sensitive Info of 228,876 Individuals Nationwide

Published
December 23, 2025
Updated
March 17, 2026
Sax Data Breach Exposes Sensitive Info of 228,876 Individuals Nationwide
Sax LLP

On Aug. 7, 2024, Sax LLP, a well-established accounting, tax, and advisory firm headquartered in Parsippany, New Jersey, detected suspicious activity in its network environment.

An investigation revealed that unauthorized individuals may have viewed or acquired personally identifiable information (PII) of at least 228,876 current and former Sax clients across the U.S., including 244 residents in Maine, 1,547 in Texas, 2,194 in South Carolina, 3,176 in Massachusetts, and 39 in Montana.

By Dec. 1, 2025, Sax had completed its analysis and began notifying those whose information was involved. The exposed data included a range of sensitive information, including full name, address, date of birth, government-issued identification card details, and Social Security number.

The breach was formally disclosed to the Attorney Generals' offices in California, Vermont, Maine, Montana, Texas, South Carolina and Massachusetts beginning on Dec. 22, 2025.

Sax's response

To support those affected, Sax has arranged for complimentary identity protection services through Epiq.

If you receive notification from Sax or your provider about this breach, you may want to:

  • Sign up for the free Epiq identity theft protection services, offered by Sax.
  • Monitor your credit reports and financial accounts for any unusual activity.
  • Be alert for phishing emails or phone calls that may use your exposed information.
  • Consider placing a fraud alert or credit freeze with major credit bureaus.

The company has also set up a dedicated call center for this incident at 855-720-3117, Monday through Friday, 9 a.m. to 9 p.m. ET.

Types of INFORMATION affected
  • Names
    Names
  • Social security numbers
    Social Security Numbers
  • Dates of birth
    Dates of Birth
  • Addresses
    Addresses
  • Government IDs
    Government IDs
  • Medical Information
    Medical Info
  • Financial Info
    Financial Info
  • Affected information types not yet disclosed

Notice Letter

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Affected Entity
Sax LLP
Consumers Notification date
December 16, 2025
Date of Breach
December 23, 2025
Breach Discovered Date
December 1, 2025
Total People Affected
228876
Information Types Exposed
  • Addresses
  • Credit/Debit Numbers
  • Date of birth
  • Drivers Licenses
  • Financial Account
  • Full name
  • Government issued identification card
  • Name of individual
  • Social Security Number Information
  • Driver’s License number
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