In May 2026, the dental benefits administrator DentaQuest was the target of a ShinyHunters "pay or leak" extortion campaign that resulted in the group publicly publishing hundreds of gigabytes of data allegedly obtained from the company. The data included 2.6M unique email addresses along with names, addresses and phone numbers. Much of the data appeared in healthcare enrollment files ( ASC X12 transaction sets ) with some containing Medicaid IDs, while additional data appeared in member records and related files. DentaQuest acknowledged "a cybersecurity incident involving unauthorized access to a limited portion of our network" , and advised they had contained the attack and mitigated the threat.
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Official disclosure statement
If you haven’t already changed the password affected by this breach, do so immediately on every account where it was used.
Wherever 2FA is supported, add an extra layer of security to your account.
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The full story
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