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[Breach] DentaQuest — 2,553,599 accounts exposed

lowhibp_breachesPublished 2026-05-23

Breached service: DentaQuest Domain: dentaquest.com Accounts exposed: 2,553,599 Breach date: 2026-05-23 Added to HIBP: 2026-06-03T22:56:30Z Data classes leaked: Dates of birth, Email addresses, Genders, Government issued IDs, Health insurance information, Names, Phone numbers, Physical addresses Description: In May 2026, the dental benefits administrator DentaQuest was the target of a ShinyHunters

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://haveibeenpwned.com/PwnedWebsites#DentaQuest