HackingHealthcareProfessional ServicesHealthcareStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDFinancial accountPHIHealth (basic)MediumContained

Grayling Anesthesia Services PC

bd_b02b52455bf3d1c8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 22, 2022

Filed

Oct 24, 2022

To disclose

5 weeks

Affected

4state residents only

Confidence

66%

Full breach record for Grayling Anesthesia Services PC →2 incidents on file

Grayling Anesthesia Services PC notified Montana residents of a data breach involving its third-party management company. Suspicious activity was detected on July 11, 2022, and the company was notified on September 22, 2022. The incident compromised PHI, SSNs, DOBs, driver's licenses, and financial account info. The company engaged forensic experts, reset passwords, and offered IDX identity protection services.

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Incident timeline

undetected · 73 days

discovery → filing · 5 weeks / 32 days

Jul 11, 2022

Begins

Sep 22, 2022

Discovered

Oct 24, 2022

Filed

vs. sector median

8 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4 affectedView incident

Name: Grayling Anesthesia Services PC
norm: grayling anesthesia

Name: Grayling Anesthesia Services PC
norm: grayling anesthesia
Industry: HealthcarellmProfessional Servicesllm

Discovered: Sep 22, 2022
Breach occurred: Jul 11, 2022
Undetected for: 73 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 24, 2022
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government IDFinancial accountPHIHealth (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: External
Third party: via management company
Initial access: external_remote_services

During the incident: Implemented incident response protocols
Disconnected all systems
Engaged external cybersecurity experts to conduct a forensic investigation
Conducted a global password reset
Tightening firewall restrictions
Implementing endpoint threat detection and response monitoring software on workstations and servers
Offering identity theft protection services through IDX
Changes made: Conducted a global password reset
Tightening firewall restrictions
Implementing endpoint threat detection and response monitoring software on workstations and servers
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(32 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-648.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 24, 2022
Raw hash: abe23d42bf918abb242b60e1e6d916fb6fad0467d53a900229c42a32d17e75f2

Reporting entityGrayling Anesthesia Services PC

Victim entityGrayling Anesthesia Services PC

Incidentdiscovered Sep 22, 2022

Stated responseImplemented incident response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov