DentaQuest Data Breach by ShinyHunters Affects 2.6 Million Accounts
Dental benefits administrator DentaQuest, a subsidiary of Sun Life, suffered a data breach with threat group ShinyHunters leaking exfiltrated data. Disclosed on June 8, 2026, the incident exposed approximately 2.6 million accounts, including names, emails, government IDs, and health insurance details.
Signal context
First seen: Jun 8, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Data breach disclosed on June 8, 2026.
- ShinyHunters responsible for leaking exfiltrated data.
- 2.6 million accounts exposed.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 21 signals in the same sector
- 90 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Dentaquest Hit with Cyberstrike Affecting 2.6M | West Virginia Dental Associationhttps://www.wvdental.org/news/dentaquest-hit-with-cyberstrike-affecting-2-6mPublic source from wvdental.org.
DentaQuest data breach exposed info of 2.6 million accountshttps://www.privacyguides.org/news/2026/06/05/data-breach-roundup-may-29-june-4-2026/Public source from privacyguides.org.
Hackers Leak DentaQuest Information Impacting 2.6 Million - SecurityWeekhttps://www.securityweek.com/hackers-leak-dentaquest-information-impacting-2-6-million/Public source from securityweek.com.
8th June – Threat Intelligence Reporthttps://research.checkpoint.com/2026/8th-june-threat-intelligence-report/Public source from research.checkpoint.com.
Top 10 Cybersecurity News (June 8, 2026): HTTP/2 Bomb Crashes Web Servers In Seconds, World Food Programme Breach Exposes Gaza Households, and Morehttps://www.cybersecuritynews.com/top-10-cybersecurity-news-june-8-2026/Public source from cybersecuritynews.com.
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