--- title: "DentaQuest data breach exposed info of 2.6 million accounts" url: https://daily.dev/posts/dentaquest-data-breach-exposed-info-of-2-6-million-accounts-ockbsjjci source_url: https://www.bleepingcomputer.com/news/security/dentaquest-data-breach-exposed-info-of-26-million-accounts type: article source: "BleepingComputer" published: 2026-06-04T18:38:41.974Z updated: 2026-07-30T02:12:26.809Z tags: ["data-breach", "healthcare", "phishing"] reading_time: 3 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # DentaQuest data breach exposed info of 2.6 million accounts **[BleepingComputer](https://daily.dev/sources/bleepingcomputer)** · 3 min read · 0 upvotes · 0 comments ## Summary DentaQuest, a major US dental benefits administrator serving 35 million customers, has confirmed a cybersecurity breach after the ShinyHunters extortion group leaked over 234 GB of stolen data following failed ransom negotiations. Have I Been Pwned analyzed the leaked dataset and identified 2.6 million exposed accounts containing email addresses, full names, phone numbers, government-issued IDs, health insurance information, genders, and dates of birth. DentaQuest states systems remain operational with limited disruption and that external experts are assisting the investigation. Affected individuals are advised to be vigilant against phishing and social engineering attacks. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Nottingham University data breach affects over 450,000 students](https://daily.dev/posts/nottingham-university-data-breach-affects-over-450-000-students-qzdcmfziy) · BleepingComputer · 0 upvotes · 0 comments --- Tags: [#data-breach](https://daily.dev/tags/data-breach), [#healthcare](https://daily.dev/tags/healthcare), [#phishing](https://daily.dev/tags/phishing) [View this post on daily.dev](https://daily.dev/posts/dentaquest-data-breach-exposed-info-of-2-6-million-accounts-ockbsjjci)