MalwareHealthcareHealthcareRansomwareData ExfiltratedData EncryptedPIIIdentity (basic)Health (basic)LowContained

Bryan County Ambulance Authority

bd_a102d13b31e69ca8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 24, 2021

Filed

May 18, 2022

To disclose

25 weeks

Affected

1state residents only

Linked

5 filings

Confidence

65%

Full breach record for Bryan County Ambulance Authority →

Bryan County Ambulance Authority notified Montana residents of a November 24, 2021 ransomware incident. The attacker encrypted files and potentially exfiltrated personal information, including medical data. The Authority contained the threat, restored data, engaged forensic investigators, and offered IDX identity theft protection services to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 25 weeks / 175 days

Nov 24, 2021

Discovered

May 18, 2022

Filed

vs. sector median

+13 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

HHS OCRbd_c0911c293e9d43692022-05-18Verified
Washington State AGbd_80051841300801102022-05-24 · +6dVerified
Illinois State AGbd_259347935a0ec7002022-01-01 · +137dCandidate
HHS OCR enforcementbd_b00186924c01427f2024-10-31 · +897dVerified by operator

Name: Bryan County Ambulance Authority
norm: bryan county ambulance authority

Name: Bryan County Ambulance Authority
norm: bryan county ambulance authority
Industry: Healthcarellm

Discovered: Nov 24, 2021
Materiality determined: —
Notification sent: May 18, 2022
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)Health (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Contained the threat by disabling all unauthorized access to our network
Restored all encrypted data
Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals
Offering a complimentary membership in identity theft protection services through IDX
Changes made: Continually evaluate and modify our practices to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(175 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

Illinois State AGJan 1 · first

HHS OCR+137d

Montana State AG+137d · this page

Washington State AG+143d

HHS OCR enforcement+1034d

Pattern: first filing Jan 1 (IL), last Oct 31 — a 1034-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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-61.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 18, 2022
Raw hash: c38cdbf1d35792bf3cffd77fc22005d449c850714633eb8c872ab98ded410e39

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBryan County Ambulance Authority

Victim entityBryan County Ambulance Authority

Incidentdiscovered Nov 24, 2021

Stated responseContained the threat by disabling all unauthorized access to our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov