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Updated about 1 month ago

Wisner Baum Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Wisner Baum.
•Discovered on October 9, 2025.
•Possible data exposed: Name, Driver's License Number, Bank Account Number, Routing Number, Medical Records, Names, Social Security Numbers, Driver's License Numbers, Bank Account Numbers, Routing Numbers, Medical Information.
•Affects individuals in: California, Vermont, Massachusetts.
•Confirmation level: Confirmed by regulators.

Breach confirmed

The Wisner Baum breach is confirmed. If you may be affected, add your details below and we will take it from there.

Detailed summary

Wisner Baum LLP, a California-based personal injury law firm, detected a data breach on October 9, 2025. Unauthorized access occurred between October 8-9, 2025, due to a vulnerability in their SonicWall firewall system. The company acknowledged the incident and mailed notifications to affected individuals starting January 21, 2026. This incident was not a vendor breach, but a direct compromise of Wisner Baum's own systems.

This breach impacted 3,154 individuals. The exposed data includes names, Social Security numbers, driver's license numbers, bank account and routing numbers, and medical information. While the company has confirmed the breach and the types of data involved, the specific full extent of the impact in all states has not been publicly released.

Data breach details can continue to emerge in the weeks and months following an incident, and notification timelines may vary.

Data possibly involved

Name
Driver's License Number
Can be used for identity fraud
Bank Account Number
Could allow unauthorized withdrawals or transfers
Routing Number
Medical Records
Could be used for insurance fraud or identity theft
Names
Social Security Numbers
Can be used to open fraudulent accounts and file false tax returns
Driver's License Numbers
Can be used for identity fraud
Bank Account Numbers
Could allow unauthorized withdrawals or transfers
Routing Numbers
Medical Information

Breach Verification Status

Reports Only

Complete

Initial dark web reports of potential breach

Company Confirmed

Complete

Company has acknowledged the breach

Regulator Confirmed

Current

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Investigation Open

We're actively investigating this case and seeking affected individuals.

Were you affected? Submit your information below.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

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Check Your Risk Level

Answer a few questions to understand how this breach might affect you

Do you use Wisner Baum?

Yes

What state are you in?

What should I do?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

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