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Case file

Case File: Seyfarth Shaw LLP Data Breach

This file collects the dated facts on record for the Seyfarth Shaw LLP incident. The state report is dated September 18, 2026. The incident itself is dated August 18, 2026.

Timeline

31 days separate the incident date from the date it was reported.

  1. August 18, 2026Incident dateWhen the filing says the breach took place.
  2. September 18, 2026Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state
California
Date reported
September 18, 2026
Incident date
August 18, 2026
Receiving office
California Attorney General

Data categories in the file

  • Full Name
  • Social Security Number
  • Date of Birth
  • Home Address
  • Wage and Compensation Information
  • Tax Return Information
  • Direct Deposit Account Details
  • Employment Records

Case notes

Seyfarth Shaw LLP, an internationally recognized corporate law firm, filed notice of a data security incident with the California Attorney General on September 18, 2026. The firm, known for handling sensitive legal matters, identified the breach event as occurring on August 18, 2026.

Law firms like Seyfarth Shaw are repositories for extensive confidential data, making them frequent targets for cyberattacks. The nature of this incident, while unspecified in detail, typically involves unauthorized access to internal systems containing client and employee records, highlighting vulnerabilities within the legal sector.

The public filing indicates that the exposed information includes Full Name, Social Security Number, Date of Birth, Home Address, Wage and Compensation Information, Tax Return Information, Direct Deposit Account Details, and Employment Records. These categories represent core identifying and financial details often targeted by malicious actors.

The compromise of such a combination of personal identifiers and financial data creates a substantial risk for those affected. Individuals may face increased exposure to identity theft, fraudulent financial applications, and various forms of scams requiring personal verification, potentially leading to long-term vigilance.

While the investigation into this incident is ongoing, individuals who receive notification of exposure should take proactive steps to protect themselves. This includes carefully reviewing credit reports and account statements for unauthorized activity, considering placing fraud alerts or security freezes on credit files, and updating passwords for online accounts.

These details are based on public disclosures filed by Seyfarth Shaw LLP with regulatory bodies.

Questions about this case file

Where does the Seyfarth Shaw LLP case file come from?
Every entry is taken from the breach report Seyfarth Shaw LLP lodged with the California Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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Filing source: California Attorney General