MalwareProfessional ServicesProfessional ServicesRansomwareStolen CredentialsData EncryptedTargetedIdentity (basic)Government IDFinancial accountEmploymentMediumContained

Black & McDonald

bd_a73ae218bf884d53 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 9, 2023

Filed

Mar 26, 2023

To disclose

6 weeks

Affected

8state residents only

Confidence

65%

Full breach record for Black & McDonald →

Black & McDonald notified Montana residents of a ransomware incident detected on Feb 9, 2023. Unauthorized access occurred Feb 8-9, 2023. Former employee data (SSN, DL, bank info, salary) was compromised. Company hired forensic experts, notified law enforcement, and offered 24 months of credit monitoring.

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Incident timeline

undetected · 1 days

discovery → filing · 6 weeks / 45 days

Feb 8, 2023

Begins

Feb 9, 2023

Discovered

Mar 26, 2023

Filed

vs. sector median

11 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed8 affectedView incident

Name: Black & McDonald
norm: black mcdonald

Name: Black & McDonald
norm: black mcdonald
Industry: Professional Servicesllm

Discovered: Feb 9, 2023
Breach occurred: Feb 8, 2023 – Feb 9, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Mar 21, 2023
Affected individuals: 8state-resident count only
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Hired third-party experts to address this situation, perform an investigation into the unauthorized activity, and further secure our systems
Notified law enforcement
Changes made: Offering 24 months of credit monitoring services through Cyberscout
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(45 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-140.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 26, 2023
Raw hash: c9f3323aede27d30d2fda7752e0a06932163a437331458c59bc1199333cb887b

Reporting entityBlack & McDonald

Victim entityBlack & McDonald

Incidentdiscovered Feb 9, 2023

Stated responseHired third-party experts to address this situation, perform an investigation into the unauthorized activity, and further secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov