People search DentaQuest data breach timeline because regulated data and trust are existential—one incident triggers class actions and regulator exams. BreachHistory indexes 1 DentaQuest-linked incident (1 company-confirmed), with headline counts up to 2.6M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why DentaQuest breach history matters
DentaQuest operates in Healthcare (United States). Across indexed rows, recurring themes include ransomware and extortion. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2026 — ShinyHunters leak; 2.6M accounts verified (HIBP; May–June)
Verified breach. DentaQuest, a major U.S. dental benefits administrator (Sun Life), was targeted by ShinyHunters extortion marketing in late May 2026. The company confirmed unauthorized network access on June 2, 2026. By early June, Have I Been Pwned and BleepingComputer cited a 234 GB public leak with 2.6 million unique email addresses plus names, mailing addresses, gender, dates of birth, and phone numbers in healthcare enrollment-style files. BreachHistory uses the HIBP-verified 2.6M denominator; formal HHS/state Medicaid notifi Exposed categories include Emails, names, addresses, gender, DOB, phone numbers per HIBP and trade press; company confirmed unauthorized access. BreachHistory cites approximately 2.6M+ affected records in this row. See the dentaquest-shinyhunters 2026 record and canonical BreachHistory entry.
Patterns and analysis
- Ransomware and extortion — appears across multiple DentaQuest catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Watch for medical-ID theft and billing fraud after health-data incidents.
- Step 5: Bookmark the DentaQuest company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/dentaquest · Latest: dentaquest-shinyhunters2026.
Sources: BreachHistory catalog (1 row for DentaQuest), company and regulator disclosures cited in individual breach records.