Tieu Dental Corporation Data Breach Lawsuit Investigation
Published: March 5, 2026 | By Alexandra Brunschwig, Staff Writer

Tieu Dental Corporation Data Breach: What You Need to Know

Tieu Dental Corporation has disclosed a data breach that impacted an undisclosed number of individuals, resulting from unauthorized access to its network between July 28, 2025, and July 29, 2025. This breach was identified on January 11, 2026, and subsequently reported to California authorities on March 5, 2026.

Timeline of Events

The breach occurred from July 28 to July 29, 2025. Tieu Dental Corporation discovered the unauthorized access on January 11, 2026, and reported the incident to the California Attorney General on March 5, 2026.

Impact Summary

The breach affected individuals throughout California, though the exact number of those impacted has not been disclosed by Tieu Dental Corporation.

Information Exposed

California

  • Full name

What Affected Individuals Should Do

Individuals impacted by the Tieu Dental Corporation breach should remain vigilant by monitoring their financial accounts and credit reports. The company is offering a complimentary one-year membership to Experian IdentityWorks, which provides identity protection services. Additional recommended actions include placing a Fraud Alert and Security Freeze on credit files and regularly reviewing account statements for any irregularities.

Company Response

After discovering the breach, Tieu Dental Corporation launched an investigation, secured their network, and engaged third-party cybersecurity experts to evaluate the situation. The investigation revealed that certain files containing personal information might have been accessed by unauthorized parties.

FAQ

  • Was Tieu Dental Corporation hacked?
    Tieu Dental Corporation experienced unauthorized access to their network between July 28 and July 29, 2025, which they discovered on January 11, 2026.
  • What information was stolen in the Tieu Dental Corporation data breach?
    The breach exposed personal information, including the full names of individuals in California.
  • How do I know if I was affected by the Tieu Dental Corporation breach?
    Affected individuals should have been notified by Tieu Dental Corporation. For further information, contact the company directly.
  • Is there a lawsuit for the Tieu Dental Corporation data breach?
    There is no information provided about any lawsuits related to this data breach.
  • What should I do if my data was exposed in the Tieu Dental Corporation breach?
    Enroll in the complimentary Experian IdentityWorks program, monitor your credit reports, and consider placing a Fraud Alert on your credit files.
  • How do I get free credit monitoring from Tieu Dental Corporation?
    Instructions on enrolling in the free Experian IdentityWorks service are provided in the notification letter from Tieu Dental Corporation.

Official Sources

Official Notice Documents

The following are official data breach notification documents filed with state attorneys general.

File a Claim