en.Wedoany.com Reported - An incident involving unauthorized access to approximately 2.6 million personal records has triggered an investigation, linked to dental and vision benefits management company DentaQuest. Based in Massachusetts, DentaQuest provides dental insurance plan management services to Medicaid, Medicare Advantage, employers, health plans, and individual clients across all 50 US states. Schubert Jonckheer & Kolbe LLP is investigating this data breach.

In May 2026, the cybercrime extortion group ShinyHunters claimed responsibility for the attack, listing DentaQuest on its dark web data leak site and alleging the theft of over 234 GB of data from its systems. On June 2, 2026, DentaQuest confirmed on its official website that it had experienced a cybersecurity incident involving unauthorized access to certain networks.

As of now, DentaQuest has not reported the breach to the US Department of Health and Human Services or state attorneys general offices, potentially violating federal and state notification laws. Potentially compromised data includes: names, dates of birth, email addresses, phone numbers, home addresses, gender, government-issued identification documents, health insurance information, and Medicaid IDs.

Users whose personal data is affected by this incident may face risks of identity theft and other privacy violations. Affected individuals may be entitled to monetary compensation and can seek court injunctions requiring DentaQuest to strengthen its cybersecurity measures.

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