MalwareProfessional ServicesProfessional ServicesRansomwareRansom DemandedData ExfiltratedPIIIdentity (basic)LowContained

AMERICAN DENTAL PARTNERS, INC.

bd_7e03835f30b97d26 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 21, 2022

Filed

Jul 15, 2022

To disclose

12 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for AMERICAN DENTAL PARTNERS, INC. →2 incidents on file

The American Dental Association experienced a ransomware attack on April 21, 2022. Unauthorized actors accessed personal information including names. ADA notified law enforcement, reset passwords, and offered 12 months of credit monitoring. Investigation completed June 10, 2022.

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Incident timeline

discovery → filing · 12 weeks / 85 days

Apr 21, 2022

Begins

Apr 21, 2022

Discovered

Jul 15, 2022

Filed

vs. sector median

7 wks faster

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_5af6911dee3c49d62022-07-15Verified
Massachusetts State AGbd_f77e78807f7963592022-07-15Verified

Name: AMERICAN DENTAL PARTNERS, INC.
norm: american dental

Name: AMERICAN DENTAL PARTNERS, INC.
norm: american dental
Industry: Professional Servicesllm

Discovered: Apr 21, 2022
Breach occurred: Apr 21, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: will notify relevant state and federal regulators, as appropriate

During the incident: Moved quickly to investigate and respond
Reset relevant account passwords
Notified law enforcement of this incident
Offering you access to complimentary credit monitoring and identity protection services for 12 months through Experian
Changes made: Reviewing and enhancing existing policies and procedures to reduce the likelihood of a similar future event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(85 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGJul 15 · first

Massachusetts State AGJul 15 · first

Montana State AGJul 15 · first · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-399.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 15, 2022
Raw hash: e069e1815464480e22d9b9da70d2c887ae06ec3cc2ca091800ffc9ac66e057f6

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityAMERICAN DENTAL PARTNERS, INC.

Victim entityAMERICAN DENTAL PARTNERS, INC.

Incidentdiscovered Apr 21, 2022

Stated responseMoved quickly to investigate and respond

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov