HackingEnergy & UtilitiesUtilitiesStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

Texas Electric Cooperatives

bd_6f08bbace61f6547 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 25, 2024

Filed

Aug 12, 2024

To disclose

7 weeks

Affected

1state residents only

Confidence

65%

Full breach record for Texas Electric Cooperatives →2 incidents on file

Texas Electric Cooperatives Inc. notified Montana residents of a cybersecurity incident where unauthorized access occurred between June 21-25, 2024. The company detected the breach on June 25, 2024, and contained the threat. Personal information, including government IDs and basic PII, was potentially exfiltrated. The company engaged forensic investigators, notified law enforcement, and offered credit monitoring services.

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Incident timeline

undetected · 4 days

discovery → filing · 7 weeks / 48 days

Jun 21, 2024

Begins

Jun 25, 2024

Discovered

Aug 12, 2024

Filed

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

Name: Texas Electric Cooperatives
norm: texas electric cooperatives
Domain: texas-ec.org

Name: Texas Electric Cooperatives
norm: texas electric cooperatives
Domain: texas-ec.org
Industry: Energy & Utilitiesllm

Discovered: Jun 25, 2024
Breach occurred: Jun 21, 2024 – Jun 25, 2024
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 12, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notified law enforcement
Initial access: valid_credentials

During the incident: Contained the threat by disabling all unauthorized access to our network
Restored all data
Commenced a prompt and thorough investigation
Notified law enforcement
Working very closely with external cybersecurity professionals
Offering complimentary access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services
Providing proactive fraud assistance
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(48 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-1582.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2024
Raw hash: 7b184b06851bc89a862e5838d8b89d8079236b87cd2514aa5ef86394eba5e9c1

Reporting entityTexas Electric Cooperatives

Victim entityTexas Electric Cooperatives

Incidentdiscovered Jun 25, 2024

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov