HackingHealthcareHealthcareStolen CredentialsData ExfiltratedData PublishedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)PHIHealth (basic)MinorMediumContained

DentaQuest, LLC

bd_f990f6918f923e33 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 20, 2026

Filed

Jul 17, 2026

To disclose

8 weeks

Affected

Not disclosed

Linked

22 records

Confidence

66%

Full breach record for DentaQuest, LLC →6 incidents on file

DentaQuest LLC notified affected individuals in Delaware of a data breach occurring May 17-20, 2026. Unauthorized individuals accessed personal identification and dental/vision health information, which was posted on the internet. DentaQuest engaged cybersecurity experts, reported to law enforcement, and offered 24 months of Kroll identity monitoring. Data types included names, SSNs, and health records.

J jump to incidentP pin to compareR raw source

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

Incident timeline

undetected · 3 days

discovery → filing · 8 weeks / 58 days

May 17, 2026

Begins

May 20, 2026

Discovered

Jul 17, 2026

Filed

vs. sector median

1 wks faster

This filing is one of 22 records about the same incident.View merged incident

A leak claim by shinyhunters about this victim was first seen 50 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_36b0303cd630b8522026-07-17Verified
Texas State AGbd_4a5196edfadecf3b2026-07-17Verified
Nebraska State AGbd_4d1ee0875da1a2ff2026-07-17Verified
New Hampshire State AGbd_109ea4be4ea997032026-07-29 · +12dVerified

Show 6 more filings ↓up to 97d gap

Massachusetts State AGbd_1e8db8bfc75827d62026-07-30 · +13dVerified
Idaho State AGbd_571c7231b18fedc32026-07-30 · +13dVerified
Idaho State AGbd_0510572adf88325a2026-08-03 · +17dVerified
Idaho State AGbd_b048476c6c1e18832026-08-12 · +26dVerified
Massachusetts State AGbd_482378fdc49ac6952026-09-01 · +46dVerified
New Hampshire State AGbd_698b0f815be60a922026-10-22 · +97dVerified

Showing first 10 of 21 linked disclosures.

Name: DentaQuest, LLC
norm: dentaquest

Name: DentaQuest, LLC
norm: dentaquest
Industry: Healthcarellm

Discovered: May 20, 2026
Breach occurred: May 17, 2026 – May 20, 2026
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Reported the incident to law enforcement
Initial access: valid_credentials

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
Increased monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 7 states

View merged incident ↗

Indiana State AGJul 17 · first

Texas State AGJul 17 · first

Nebraska State AGJul 17 · first

Delaware State AGJul 17 · first · this page

New Hampshire State AG+12d

Massachusetts State AG+13d

Idaho State AG+13d

Idaho State AG+17d

Idaho State AG+26d

Massachusetts State AG+46d

New Hampshire State AG+97d

Pattern: first filing Jul 17 (IN), last Oct 22 (NH) — a 97-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 21 — 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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2026/07/DentaQuest-Adult_Minor_Deceased-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 17, 2026
Raw hash: 92bbb43e71ff098b8803dd13622df840edab7a57448b333c7811a3af0f4b9868

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 provenanceattorneygeneral.delaware.gov