MalwareHealthcareHealthcareRansomwareData ExfiltratedData EncryptedIdentity (basic)Government IDHealth (basic)PHIMediumContained

Twelve Oaks Recovery Center

bd_8221d6e1a4da509e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 13, 2020

Filed

Feb 12, 2021

To disclose

9 weeks

Affected

2state residents only

Linked

2 filings

Confidence

66%

Full breach record for Twelve Oaks Recovery Center →

Twelve Oaks Recovery Center notified Montana residents of a December 13, 2020 incident where an unauthorized person gained access to the network, deployed malware, and exfiltrated documents containing PII (SSN, DOB, address) and PHI (medical record numbers). The organization engaged forensic investigators, secured the network, and offered one year of Experian IdentityWorks credit monitoring.

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Incident timeline

discovery → filing · 9 weeks / 61 days

Dec 13, 2020

Begins

Dec 13, 2020

Discovered

Feb 12, 2021

Filed

vs. sector median

2 wks faster

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

New Hampshire State AGbd_315a4f5096ab89442021-02-16 · +4dVerified

Name: Twelve Oaks Recovery Center
norm: twelve oaks recovery center

Name: Twelve Oaks Recovery Center
norm: twelve oaks recovery center
Industry: Healthcarellm

Discovered: Dec 13, 2020
Breach occurred: Dec 13, 2020
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Took steps to secure the network
Began an investigation with the assistance of a computer forensic firm
Offering you a complimentary one-year membership of Experian IdentityWorks SM Credit 3B
Continuing to regularly audit our systems for potential unauthorized activity
Implemented enhanced network monitoring tools
Changes made: Implemented enhanced network monitoring tools
Continuing to regularly audit our systems for potential unauthorized activity
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(61 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGFeb 12 · first · this page

New Hampshire State AG+4d

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/Bowling-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 12, 2021
Raw hash: 4acb3f9a915f9b709d8b5308140bd07b46d416076dbf689257bdce8c9c6662c9

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityTwelve Oaks Recovery Center

Victim entityTwelve Oaks Recovery Center

Incidentdiscovered Dec 13, 2020

Stated responseTook steps to secure the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov