HackingTelecom & MediaInformationStolen CredentialsCapture Stored DataCustomer Data InvolvedIdentity (basic)LowContained

Artic Slope Telephone Association Cooperative Inc.

bd_cc032745bad80ec1 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 17, 2024

Filed

Feb 3, 2025

To disclose

16 weeks

Affected

16state residents only

Confidence

65%

Full breach record for Artic Slope Telephone Association Cooperative Inc. →

Arctic Slope Telephone Association Cooperative (ASTAC) notified Montana residents of unauthorized access to its network between Oct 16-17, 2024. Suspicious activity was detected on Oct 17, 2024. Files containing names were copied. ASTAC secured the network, investigated, and is offering 12 months of credit monitoring.

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Incident timeline

undetected · 1 days

discovery → filing · 16 weeks / 109 days

Oct 16, 2024

Begins

Oct 17, 2024

Discovered

Feb 3, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed16 affectedView incident

Name: Artic Slope Telephone Association Cooperative Inc.
norm: artic slope telephone association cooperative

Name: Artic Slope Telephone Association Cooperative Inc.
norm: artic slope telephone association cooperative
Industry: Telecom & Mediallm

Discovered: Oct 17, 2024
Breach occurred: Oct 16, 2024 – Oct 17, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Feb 3, 2025
Affected individuals: 16state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure its network
Began an investigation
Undertook a detailed review of the relevant files
Offering you access to 12 months of complimentary credit monitoring and identity protection services
Changes made: Evaluating policies, procedures, and technical security measures
Implementing additional safeguards as appropriate to further secure the information in our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(109 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/2025/02/Consumer-notification-letter-4.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 3, 2025
Raw hash: 7def2d91bb6a52647e353fe4476322fe9752c7b501c3bf9cac1b197beb378301

Reporting entityArtic Slope Telephone Association Cooperative Inc.

Victim entityArtic Slope Telephone Association Cooperative Inc.

Incidentdiscovered Oct 17, 2024

Stated responseTook steps to secure its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov