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Park Dental Partners

parkdental.com
CONFIRMED

Dental support organization Park Dental Partners filed Form 8-K Item 1.05 disclosing network disruption and forensic containment efforts.

Observable Status CONFIRMED
Industry / Sector Healthcare
Incident Classification Network Intrusion & Ransomware
Attributed Threat Actor Akira
Affected Population 62,000 records
First Seen 2026-09-01
Last Updated 2026-09-01
Dental Imaging & X-Rays Patient Social Security Numbers (SSNs) Dental Insurance Claim Details
OPEN WEIGHTS TELEMETRY • DETERMINISTIC CONFIDENCE

Confidence & Source Corroboration

88% CONFIDENCE
1. Primary Authority CONFIRMED BY REGULATOR Base weight: 65%
2. Evidence Specificity +23% Statutory Filing Verified
3. Corroboration Curve +0% 1 independent domain
4. Timeline & Staleness +0% 1 milestone logged
Corroborated Source Domains:
sec.gov
STATUTORY REGULATORY DISCLOSURES

Official Regulatory Filings & Legal Compliance Records

1 Verified Statutory Filing
Regulatory Ground Truth Standard: The disclosures below represent formal statutory filings and enforcement records submitted to government regulatory authorities (SEC, State Attorneys General, HHS OCR, CISA). In accordance with repository principles, this data is captured exactly as filed by the reporting entity and is never modified, overridden, or synthesized by AI models.
U.S. Securities and Exchange Commission (SEC)

Form 8-K Item 1.05 (Material Cybersecurity Incidents)

CONFIRMED BY REGULATOR
Docket / Accession ID 0001104659-26-104300
Statutory Filing Date 2026-09-22
Disclosed Impact 62,000 records
Evidence Standard Regulatory Ground Truth
Statutory Filing Details & Summary (Preserved As Filed):

Item 1.05 Material Cybersecurity Incident disclosure filed by Park Dental Partners reporting ransomware extortion attack resulting in clinical system encryption and patient record exfiltration.

View Official Regulatory Filing Document https://www.sec.gov/Archives/edgar/data/2069604/000110465926104300/0001104659-26-104300-index.htm

Technical Forensic Briefing

Incident Overview

The Park Dental Partners cybersecurity event represents a confirmed Network Intrusion & Ransomware within the Healthcare sector, attributed to the Akira cyber threat collective. Discovered through technical indicators and regulatory breach filings, the event resulted in unauthorized access to sensitive internal IT environments, impacting approximately 62,000 individuals and records.

Initial forensics indicate that threat actors successfully circumvented boundary defenses, leading to anomalous data staging and unauthorized exfiltration of sensitive assets. Following discovery, incident response teams initiated containment procedures, isolated affected nodes, and engaged external digital forensics specialists.

Compromised Assets & Data Scope

Forensic telemetry and statutory disclosure filings confirm exposure of the following sensitive asset categories:

  • Primary Data Classes: Dental Imaging & X-Rays, Patient Social Security Numbers (SSNs), Dental Insurance Claim Details.
  • Infrastructure Impact: Core operational servers and cloud databases subjected to unauthorized query and exfiltration.
  • Risk Assessment: Compromised credentials and identity data carry heightened risk of secondary spearphishing, fraudulent identity claims, and unauthorized account access.

Statutory Disclosures & Compliance

In adherence to statutory breach notification mandates, official filings have been registered with federal and state regulatory authorities to inform affected stakeholders and oversight bodies. Regulatory authorities continue to monitor post-incident technical remediation and audit controls.

Milestone Timeline (1 events logged)

2026-09-01 18:00 UTC
CONFIRMED BY REGULATOR

SEC Form 8-K Item 1.05 Filing: Park Dental Partners confirms unauthorized network activity and initiates third-party forensic containment.

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