HackingEnergy & UtilitiesUtilitiesSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Blue Ridge Electric Membership Corporation

bd_d2c8b58007c6c0ea · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 27, 2023

Filed

Nov 8, 2023

To disclose

6 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Blue Ridge Electric Membership Corporation →

Blue Ridge Energy notified Montana residents of a third-party data breach involving its vendor, Meridian. The incident, discovered on September 27, 2023, resulted in the exfiltration of employee and retiree personal information, including names, SSNs, and bank account numbers, to the dark web. Blue Ridge Energy provided credit monitoring and fraud assistance services to affected individuals.

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Incident timeline

discovery → filing · 6 weeks / 42 days

Sep 27, 2023

Discovered

Nov 8, 2023

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Blue Ridge Energy
norm: blue ridge energy

Name: Blue Ridge Electric Membership Corporation
norm: blue ridge electric membership
Industry: Energy & Utilitiesllm

Discovered: Sep 27, 2023
Materiality determined: —
Notification sent: Nov 6, 2023
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Meridian
Initial access: supply_chain

During the incident: Provided notice in the most expedient time possible
Arranged to provide access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance through Identity Force
Changes made: Undertaking a thorough review to determine what more can reasonably be done to minimize risk going forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 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-830.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 8, 2023
Raw hash: 21566ded980c9021ba38407ef701b3e1c38e9dcb47a9fc86ccc7b8f44a445e66

Reporting entityBlue Ridge Energy

Victim entityBlue Ridge Electric Membership Corporation

Incidentdiscovered Sep 27, 2023

Stated responseProvided notice in the most expedient time possible

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov