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DentaQuest data breach

DentaQuest reported a cybersecurity incident to Vermont regulators on September 28, 2026, confirming that personal data was exposed. This breach impacts individuals whose Full Name, Date of Birth, Social Security Number, and sensitive health details were compromised, raising concerns about potential identity theft and medical fraud.

Incident readout

Company
DentaQuest
Reported to
Vermont Attorney General
Filed
September 28, 2026
People affected
Not stated in the filing
Incident type in filing
Not stated
Our review
Monitoring
Read the official filing

Was this a ransomware attack?

The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.

Information listed in the filing

  • Full Name
  • Date of Birth
  • Social Security Number
  • Health Insurance ID Number
  • Dental Treatment History
  • Diagnosis and Provider Information
  • Billing and Claims Records
  • Home Address

What we know

DentaQuest, a major dental benefits administrator, filed notice with the state of Vermont on September 28, 2026, confirming a cybersecurity incident. The company's notification indicates that an unauthorized party gained access to personal information including Full Name, Date of Birth, Social Security Number, Health Insurance ID Number, Dental Treatment History, Diagnosis and Provider Information, Billing and Claims Records, and Home Address.

The exposure of these highly sensitive categories of personal and health data carries significant risks for affected individuals. Attackers can leverage compromised Social Security Numbers and Health Insurance ID Numbers for various forms of identity theft, medical fraud, or to open fraudulent credit accounts. Detailed dental treatment history and billing records could also be used in targeted phishing schemes or to impersonate individuals for illicit financial gain.

As a company handling vast amounts of protected health information, DentaQuest is obligated under strict regulations like HIPAA to maintain robust security protocols. The occurrence of this data breach suggests potential vulnerabilities in these systems, raising questions about whether adequate safeguards were in place to protect sensitive consumer data from unauthorized access.

If you received a data breach notification letter from DentaQuest, it serves as official confirmation that your private information was compromised. It is advisable to review financial statements and explanations of benefits for any suspicious activity. Monitoring your credit report for unauthorized accounts or inquiries can also help detect potential identity theft early.

Receiving a data breach notification also establishes your legal standing to seek recourse. Our firm is actively investigating the DentaQuest data breach and offers free, confidential case reviews. There are no out-of-pocket costs to speak with us, and we only collect attorney fees if we successfully recover compensation on your behalf.

See every breach reported in Vermont or read what to do after a ransomware attack.

After the DentaQuest incident: what to do and your options

What should I do after getting the DentaQuest data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
How many people were affected by the DentaQuest data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Date of Birth, Social Security Number, Health Insurance ID Number, Dental Treatment History, Diagnosis and Provider Information, Billing and Claims Records, Home Address. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Did DentaQuest offer free credit monitoring?
Check your letter from DentaQuest. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.
Where can I see the official DentaQuest breach notice?
DentaQuest's report is published by the Vermont Attorney General: https://ago.vermont.gov/categories/security-breach-notices#dentaquest-2026-09-28 Compare it with the letter you received to confirm the dates and details match.
Can I sue DentaQuest over the data breach?
It depends on what was exposed, the law in Vermont and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Do I need a DentaQuest data breach lawyer or attorney?
Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
Is there a DentaQuest data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against DentaQuest. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
Is the DentaQuest data breach letter legit or a scam?
A notice from DentaQuest in the mail matches the breach DentaQuest reported to the Vermont Attorney General on September 28, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact DentaQuest through a phone number or website you find yourself.
How much could a DentaQuest data breach settlement or claim be worth?
There is no set amount, and no DentaQuest settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. The filing lists Full Name, Date of Birth, Social Security Number as involved. Keep receipts and records; they're what damages claims are built on.

Other breaches reported in Vermont

Attorney advertising. This page reflects a public regulator filing; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.