Arrowhead Evaluation Services Data Breach Exposes SSNs

Arrowhead Evaluation Services, Inc. (AES), a California-based provider of independent medical evaluation services, experienced a data breach that exposed sensitive personal and medical information.

The cybersecurity incident, which took place on June 14, 2024, was discovered on May 2, 2025. It was then disclosed to the California Attorney General’s office and a Notice of Data Security Incident was posted on the Arrowhead Evaluation Services website on June 2, 2025.

Information compromised includes full names, dates of birth, Social Security numbers, driver’s license numbers, alien registration numbers, financial account information, insurance information, medical policy numbers, diagnosis and treatment details, and physician information.

Arrowhead Evaluation Services' response

After the breach was discovered, Arrowhead Evaluation Services, Inc. notified the California Attorney General's office and posted a notice on its own website. Impacted individuals were notified by mail on June 2, 2025.

• Carefully review all correspondence from AES regarding the breach, and sign up for free credit monitoring, if offerred.
• Review your account statements and explanation of benefits forms for suspicious activity.
• Monitor your credit reports for any unauthorized accounts or changes.
• Consider placing a fraud alert or credit freeze with the major credit bureaus.

Arrowhead has set up a helpline at 1-800-939-4170, available Monday through Friday, 9:00 am to 9:00 pm Eastern Time.

For more information about the company, visit the Arrowhead Evaluation Services website.