HackingHealthcareHealthcareCustomer Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

Ueno Central Dental Specialists

bd_28db82187bb05424 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 9, 2023

Filed

Sep 18, 2023

To disclose

14 weeks

Affected

3state residents only

Confidence

66%

Full breach record for Ueno Central Dental Specialists →

Ueno Center Dental Specialists (UCDS) notified patients of a network security incident discovered on June 9, 2023. An unauthorized party gained access to the network, potentially exposing patient PII (name, address, DOB, SSN) and PHI (health insurance info). UCDS engaged forensic investigators, secured the network, and offered 12 months of credit monitoring. Investigation concluded August 17, 2023.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 14 weeks / 101 days

Jun 9, 2023

Begins

Jun 9, 2023

Discovered

Sep 18, 2023

Filed

vs. sector median

+3 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3 affectedView incident

Name: Ueno Central Dental Specialists
norm: ueno central dental specialists

Name: Ueno Central Dental Specialists
norm: ueno central dental specialists
Industry: Healthcarellm

Discovered: Jun 9, 2023
Breach occurred: Jun 9, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 7, 2023
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Initial access: exploit_public_facing

During the incident: Shut off all access to the network
Engaged a specialized third-party forensic incident response firm
Retaining third-party IT specialists to confirm the security of our network environment
Providing you with access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing you with proactive fraud assistance
Changes made: Continually reviewing and updating our technical safeguards to prevent a similar incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(101 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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-690.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 18, 2023
Raw hash: 07db3fcaf50f6704ef588c7c80800a7c9538b28ef7f74681fafcfef67b49f5b0

Reporting entityUeno Central Dental Specialists

Victim entityUeno Central Dental Specialists

Incidentdiscovered Jun 9, 2023

Stated responseShut off all access to the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov