MalwareHealthcareHealthcareRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedFinancial accountHealth (basic)Identity (basic)Government IDPHIMediumContained

Great Expressions Dental Centers

bd_ad850cdc1fb86610 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 22, 2023

Filed

Oct 5, 2023

To disclose

32 weeks

Affected

587state residents only

Linked

2 filings

Confidence

69%

Full breach record for Great Expressions Dental Centers →2 incidents on file

Great Expressions Dental Centers (GEDC) disclosed a ransomware incident affecting 587 Washington residents. Unauthorized access occurred Feb 17-22, 2023. PHI, including diagnoses and billing records, was accessed. GEDC engaged forensic investigators, notified law enforcement, and provided 2 years of identity monitoring via Kroll.

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Washington clock✗ WA AG >90d32 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 5 days

discovery → filing · 32 weeks / 225 days

Feb 17, 2023

Begins

Feb 22, 2023

Discovered

Oct 5, 2023

Filed

vs. sector median

+20 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_029ac2500c9ac7452023-10-02 · +3dCandidate

Name: ADG, LLC
norm: adg

Name: Great Expressions Dental Centers
norm: great expressions dental centers
Industry: Healthcarellm

Discovered: Feb 22, 2023
Breach occurred: Feb 17, 2023 – Feb 22, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 12, 2023
Affected individuals: 587state-resident count only
Data types: PHIHealth (basic)Identity (basic)
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthPassport numberHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Provided notification pursuant to HIPAA requirementsContacted and worked with law enforcement and regulators

During the incident: Took steps to secure its systems and investigate
Retained third-party forensic investigators
Contacted and worked with law enforcement and regulators
Provided information to Experian, Equifax and TransUnion
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor its systems
Secured the services of Kroll to provide identity monitoring services at no cost to potentially impacted Washington residents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 32 weeks(225 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGOct 2 · first

Washington State AG+3d · this page

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA26697.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 5, 2023
Raw hash: 83f52075781b6640f18084d4b2dc37eefa5d94b0f4dca71073c60b68623a1da1

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityADG, LLC

Victim entityGreat Expressions Dental Centers

Incidentdiscovered Feb 22, 2023

Stated responseTook steps to secure its systems and investigate

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com