HackingTelecom & MediaInformationStolen CredentialsCustomer Data InvolvedTargetedGovernment IDIdentity (basic)MediumActive

Consolidated Telephone Company

bd_8c2bcd153c73abcc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 2, 2024

Filed

Jun 18, 2024

To disclose

11 weeks

Affected

2state residents only

Confidence

67%

Full breach record for Consolidated Telephone Company →

Consolidated Telephone Company notified Montana residents of a cyber attack discovered on April 2, 2024. Attackers may have obtained Social Security numbers and contact information. The company engaged Kroll for 12 months of identity monitoring and isolated the incident. Investigation is ongoing.

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Incident timeline

discovery → filing · 11 weeks / 77 days

Apr 2, 2024

Discovered

Jun 18, 2024

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

Name: Consolidated Telephone Company
norm: consolidated telephone

Name: Consolidated Telephone Company
norm: consolidated telephone
Industry: Telecom & Mediallm

Discovered: Apr 2, 2024
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Secured the services of Kroll to provide identity monitoring
Isolated the incident
Continuing to monitor and investigate the situation
Changes made: Undertaking a top-down review to determine what more can reasonably be done to minimize risk moving forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(77 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-1491.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 18, 2024
Raw hash: a09d30cd10fff7b3e6bbb1ac9b296fd2b5f1671c0383d60eb3dd795764989c7b

Reporting entityConsolidated Telephone Company

Victim entityConsolidated Telephone Company

Incidentdiscovered Apr 2, 2024

Stated responseSecured the services of Kroll to provide identity monitoring

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov