Tieu Dental Corporation, a dental practice specializing in oral and maxillofacial surgery, has recently reported a data breach that exposed sensitive personal information. The breach occurred between July 28 and July 29, 2025, and may have affected a range of personal and medical details. If you were impacted, you may be entitled to compensation through a class action lawsuit.
Tieu Dental Corporation’s Data Breach Investigation
On January 11, 2026, Tieu Dental Corporation revealed that it had experienced a data breach, which took place between July 28 and July 29, 2025. The breach involved unauthorized access to its network, potentially exposing personal and protected health information, such as names, birth dates, Social Security numbers, medical records, treatment plans, prescriptions, and health insurance details.
Upon discovering the breach, Tieu Dental immediately launched an investigation and engaged third-party cybersecurity professionals to help contain and secure the network. The investigation revealed that certain files containing sensitive data may have been accessed and removed by the unauthorized actor. While the company has not received any reports of identity theft or fraud linked directly to the incident, Tieu Dental is taking extra precautions by offering identity protection services to affected individuals.
Tieu Dental, which operates two offices in Campbell and Morgan Hill, California, has been working to prevent further incidents, and is taking steps to bolster its cybersecurity measures. The company is also committed to notifying impacted individuals and providing resources to help protect their personal and medical information.
When Did This Breach Occur?
The breach took place between July 28 and July 29, 2025. The company discovered the breach in early 2026 and launched an investigation, which led to the identification of the exposed files. On January 11, 2026, Tieu Dental notified affected individuals about the breach and provided instructions on how to protect their personal data.
What Information Was Breached?
The breach potentially exposed several types of sensitive personal information, including:
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Full name
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Social Security number
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Birth date
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Medical records
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Treatment plans
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Prescriptions
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Health insurance details
As the breach involved protected health information, it is crucial for affected individuals to take steps to safeguard their information and monitor for any potential misuse.
What You Can Do
If your personal information was impacted by the Tieu Dental data breach, it’s important to take steps to protect yourself:
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Enroll in Identity Protection Services – Tieu Dental is offering a free, one-year membership to Experian IdentityWorks. This service helps detect potential misuse of your personal information and offers identity protection services. Enrolling in this service will not affect your credit score.
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Monitor Financial Accounts and Credit Reports – Keep an eye on your bank accounts, credit card statements, and credit reports for any unusual activity or signs of fraud.
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Consider Placing a Fraud Alert or Credit Freeze – You can place a fraud alert on your credit file to prevent new credit from being opened in your name. Additionally, placing a credit freeze will restrict access to your credit report, adding another layer of protection.
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Review Your Health Records – If your health information was part of the breach, ensure that your health records are not being misused. Notify your healthcare providers if you spot any suspicious activity.
Tieu Dental is offering these services at no cost to you as part of their efforts to protect affected individuals. For detailed instructions on how to activate the Experian IdentityWorks membership, please refer to the additional information provided in the breach notification.
File a Data Breach Lawsuit Against Tieu Dental Corporation
If your personal information was exposed in the Tieu Dental data breach, you may be eligible to join a class action lawsuit. A class action lawsuit could allow you to receive compensation for damages related to privacy violations, time spent dealing with the breach, and any financial or emotional harm caused by the incident.
If you received a notification about this breach or believe your information was compromised, don’t wait. Contact Class Action U today for a free consultation. We can connect you with experienced attorneys who specialize in data breach cases.
Fill out our quick, easy, secure form to sign up. There’s no cost to reach out, and no obligation after speaking with one of our legal experts.
