Social EngineeringHealthcareFinancial ServicesHealthcarePhishingTargetedPIIIdentity (basic)LowContained

Delta Dental of Virginia

bd_5aea0aec7ca54993 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 23, 2025

Filed

Nov 21, 2025

To disclose

30 weeks

Affected

125state residents only

Linked

12 filings

Confidence

65%

Full breach record for Delta Dental of Virginia →

CorrectionPublished Sep 26, 2026

Correction: we date this filing November 21, 2025, not 1/21/2025 as the Montana Department of Justice's breach register prints it. That date is earlier than the start of the breach the same register row reports (03/21/2025), and the California, Vermont, South Carolina, Massachusetts, New Hampshire, Maine and Indiana breach registers list this notice on November 21, 2025.

Read their full statement

Delta Dental of Virginia notified Montana AG of a phishing incident discovered April 23, 2025. Unauthorized access to an email account occurred between March 21 and April 23, 2025, potentially exposing personal information. DDVA engaged forensic experts and offers TransUnion identity protection services.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 33 days

discovery → filing · 30 weeks / 212 days

Mar 21, 2025

Begins

Apr 23, 2025

Discovered

Nov 21, 2025

Filed

vs. sector median

+21 wks slower

This filing is one of 12 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

HHS OCRbd_258b7419633efa292025-11-21Verified
Texas State AGbd_33adf66631ec6cff2025-11-21Verified
California State AGbd_63884c8a325504032025-11-21Verified
Vermont State AGbd_6c4632d1958d0b222025-11-21Verified

Show 6 more filings ↓

Nebraska State AGbd_6db54e4976d5f92f2025-11-21Verified
South Carolina State AGbd_77514f3f8810054e2025-11-21Verified
Massachusetts State AGbd_92ec564b7230db502025-11-21Verified
New Hampshire State AGbd_a1166220222f27032025-11-21Verified
Indiana State AGbd_b83003f69cbe723d2025-11-21Verified
Maine State AGbd_bf99bf0f3544346b2025-11-21Verified

Showing first 10 of 11 linked disclosures.

Name: Delta Dental of Virginia
norm: delta dental of virginia

Name: Delta Dental of Virginia
norm: delta dental of virginia
Industry: HealthcarellmFinancial Servicesllm

Discovered: Apr 23, 2025
Breach occurred: Mar 21, 2025 – Apr 23, 2025
Undetected for: 33 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 125state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Engaged independent cybersecurity experts to assist with the process
Offering complimentary identity protection services through TransUnion
Changes made: Implemented measures to enhance security and minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(212 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

HHS OCRNov 21 · first

Texas State AGNov 21 · first

California State AGNov 21 · first

Vermont State AGNov 21 · first

Nebraska State AGNov 21 · first

South Carolina State AGNov 21 · first

Massachusetts State AGNov 21 · first

New Hampshire State AGNov 21 · first

Indiana State AGNov 21 · first

Maine State AGNov 21 · first

Montana State AGNov 21 · first · this page

Cascade drawn from the first 10 linked disclosures of 11 — 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://dojmt.gov/wp-content/uploads/2026/01/Consumer-notification-letter-9.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 21, 2025
Raw hash: 8571b0f83d5a847da349b0cfce36ef50b9ca3060c705f52079f89de0dc95341d

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityDelta Dental of Virginia

Victim entityDelta Dental of Virginia

Incidentdiscovered Apr 23, 2025

Stated responseEngaged independent cybersecurity experts to assist with the process

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov