HackingTelecom & MediaInformationStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedPIIIdentity (basic)MediumContained

Palmetto Rural Telephone Cooperative

bd_80eff52b9b3e49c6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 18, 2025

Filed

Apr 25, 2025

To disclose

5 weeks

Affected

1,576state residents only

Confidence

65%

Full breach record for Palmetto Rural Telephone Cooperative →

Palmetto Rural Telephone Cooperative, Inc. notified South Carolina consumers of a CPNI data breach caused by a third-party contractor. Unauthorized access occurred on March 18, 2025, affecting names, addresses, phone numbers, account numbers, and service details. No SSNs or passwords were compromised. The company secured systems, terminated access, notified law enforcement and the FCC, and enhanced security protocols.

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South Carolina clock✓ SC CRA notice due5 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 5 weeks / 38 days

Mar 18, 2025

Discovered

Apr 25, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1,576 affectedView incident

Name: Palmetto Rural Telephone Cooperative
norm: palmetto rural telephone cooperative

Name: Palmetto Rural Telephone Cooperative
norm: palmetto rural telephone cooperative
Industry: Telecom & Mediallm

Discovered: Mar 18, 2025
Materiality determined: —
Notification sent: Apr 15, 2025
Affected individuals: 1,576state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: Partner
Regulator citations: notified law enforcementreported this incident to the Federal Communications Commission (FCC)
Initial access: trusted_relationship

During the incident: Took action to secure our systems
Terminated any unauthorized access
Notified law enforcement as required by federal regulations
Reported this incident to the Federal Communications Commission (FCC)
Changes made: Implemented enhanced security measures to strengthen our protocols
Reinforcing access controls
Conducting a comprehensive security review
Reevaluating our third-party vendor management processes
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(38 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/PalmettoRuralTelephoneCooperative.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 25, 2025
Raw hash: c5086a0698f2dbe4cd0fc10f42dd21fc9fb0d2654dfc456cb2ab4be60b269230

Reporting entityPalmetto Rural Telephone Cooperative

Victim entityPalmetto Rural Telephone Cooperative

Incidentdiscovered Mar 18, 2025

Stated responseTook action to secure our systems

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov