Eisen Data Breach

Eisen, Inc., a provider of unclaimed property compliance and escheatment services, recently experienced a data security incident affecting personal information. According to a notice, a sophisticated social engineering attack occurred on December 12, 2025, in which a threat actor impersonated the California State Controller’s Office and obtained a file containing sensitive records.

The impacted information included names, mailing addresses, email addresses, Social Security numbers, dates of birth, and unclaimed property balance information. While there is no evidence of identity theft, fraud, or other misuse, affected individuals are advised to take precautionary measures. Eisen, Inc. is offering 24 months of credit monitoring and identity theft restoration services through Experian at no cost.

Eisen, Inc. Data Breach Investigation

Upon discovering the fraudulent activity, Eisen, Inc. took immediate action to contain the breach. Measures included:

• Revoking unauthorized access to the file
• Deleting the file from the sharing platform
• Conducting a thorough investigation confirming no further exposure
• Implementing mandatory secondary verification protocols for government data requests
• Deploying specialized training on regulator impersonation tactics
• Notifying third-party partners and governmental regulators

These steps aimed to prevent similar incidents in the future and ensure the continued security of sensitive personal data.

When Did This Breach Occur?

• Incident Date: December 12, 2025
• Discovery Date: Immediately after the fraudulent request was identified
• Type of Incident: Social engineering attack

The unauthorized party impersonated a government entity to obtain the file containing sensitive information.

What Information Was Potentially Exposed?

The following types of personal information were contained in the impacted file:

• Name
• Mailing address
• Email address
• Social Security number
• Date of birth
• Unclaimed property balance information

Although no misuse has been reported, exposure of this information could lead to:

• Identity theft
• Fraudulent account activity
• Targeted phishing attacks
• Misuse of unclaimed property information

What You Can Do

If you may have been affected by the Eisen, Inc. data breach, take these precautionary steps:

1. Enroll in Credit Monitoring
   Activate the 24-month credit monitoring and identity theft restoration services provided by Eisen, Inc. through Experian.
2. Monitor Your Accounts
   Regularly review bank, credit, and unclaimed property account statements for unusual activity.
3. Check Credit Reports
   Obtain free annual credit reports from Equifax, Experian, and TransUnion.
4. Place a Fraud Alert or Credit Freeze
   Contact credit reporting agencies to prevent unauthorized accounts:
   • TransUnion: 1-800-680-7289
   • Experian: 1-888-397-3742
   • Equifax: 1-888-298-0045
5. Report Suspicious Activity
   Notify your financial institution and report suspected identity theft to the FTC at 1-877-ID-THEFT (438-4338).

File a Data Breach Lawsuit Against Eisen, Inc.

Individuals whose personal information was exposed may have legal rights. Potential claims could include compensation for:

• Time spent mitigating risk
• Out-of-pocket expenses related to identity protection
• Violation of privacy and data protection laws

Class action lawsuits may hold Eisen, Inc. accountable for failing to adequately safeguard sensitive information. Contact Class Action U to connect with experienced data breach attorneys. There is no cost to inquire and no obligation to proceed.