HackingHealthcareTechnologyHealthcareData ExfiltratedData PublishedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)MinorCriticalContained

DentaQuest, LLC

bd_6ed3da87b3062f97 · schema v1 · pii pii-v1

Severity

Critical

Discovered

May 20, 2026

Filed

Jul 16, 2026

To disclose

8 weeks

Affected

265,900state residents only

Linked

19 filings

Confidence

66%

Full breach record for DentaQuest, LLC →5 incidents on file

DentaQuest LLC reported a data breach discovered on May 20, 2026, involving unauthorized access to its computer network between May 17 and May 20, 2026. The incident exposed personal identification, dental/vision health information, and for minors, Social Security numbers. DentaQuest engaged independent cybersecurity experts, reported the incident to law enforcement, and offered 24 months of identity monitoring via Kroll to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d8 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 3 days

discovery → filing · 8 weeks / 57 days

May 17, 2026

Begins

May 20, 2026

Discovered

Jul 16, 2026

Filed

vs. sector median

4 wks faster

This filing is one of 19 about the same incident.View merged incident

A leak claim by shinyhunters about this victim predates this filing by 49 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Rhode Island State AGbd_1133bd1e67e874152026-07-16Verified
Washington State AGbd_36645eac8bc688a62026-07-16Verified
Texas State AGbd_4a5196edfadecf3b2026-07-17 · +1dVerified
Nebraska State AGbd_4d1ee0875da1a2ff2026-07-17 · +1dVerified

Show 6 more filings ↓up to 27d gap

Delaware State AGbd_f990f6918f923e332026-07-17 · +1dVerified
New Hampshire State AGbd_109ea4be4ea997032026-07-29 · +13dVerified
Massachusetts State AGbd_1e8db8bfc75827d62026-07-30 · +14dVerified
Idaho State AGbd_571c7231b18fedc32026-07-30 · +14dVerified
Idaho State AGbd_0510572adf88325a2026-08-03 · +18dVerified
Idaho State AGbd_b048476c6c1e18832026-08-12 · +27dVerified

Showing first 10 of 18 linked disclosures.

Name: DentaQuest, LLC
norm: dentaquest

Name: DentaQuest, LLC
norm: dentaquest
Industry: HealthcarellmTechnologyllm

Discovered: May 20, 2026
Breach occurred: May 17, 2026 – May 20, 2026
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 265,900state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Minor
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Reported the incident to law enforcement
Initial access: exploit_public_facing

During the incident: Reported the incident to law enforcement
Began an investigation with leading, independent cybersecurity experts
Offered identity monitoring by Kroll at no cost for 24 months
Engaged cybersecurity experts
Provided more employee training
Added new security measures and increased monitoring
Changes made: Provided more employee training
Added new security measures and increased monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 days from discovery to filing)
Compliance flags: Leak >30dSC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

Rhode Island State AGJul 16 · first

Washington State AGJul 16 · first

South Carolina State AGJul 16 · first · this page

Texas State AG+1d

Nebraska State AG+1d

Delaware State AG+1d

New Hampshire State AG+13d

Massachusetts State AG+14d

Idaho State AG+14d

Idaho State AG+18d

Idaho State AG+27d

Pattern: first filing Jul 16 (RI), last Aug 12 (ID) — a 27-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 18 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2026/Consumer%20Letter%20-%20DentaQuest%20LLC.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 16, 2026
Raw hash: 26087a1d2700857a1662d82975b1f947424f231a6e8a4ff6213e5094c01f8052

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityDentaQuest, LLC

Victim entityDentaQuest, LLC

Incidentdiscovered May 20, 2026

Stated responseReported the incident to law enforcement

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov