HackingTelecom & MediaInformationCustomer Data InvolvedData ExfiltratedIdentity (basic)Financial accountFinancial credentialsLow

USCC Services, LLC

bd_b0f60c4b1aca5efd · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 29, 2024

Filed

Feb 13, 2024

To disclose

15 days

Affected · nationwide

1008 in this filing

Confidence

65%

Full breach record for USCC Services, LLC →6 incidents on file

USCC Services, LLC, operating as UScellular, reported a data breach that occurred on January 28, 2024, and was discovered the following day. An external system breach (hacking) affected 100 individuals, including 8 Maine residents. The compromised information included names in combination with financial account or credit/debit card numbers and their associated security codes or PINs. Written notifications were sent to the affected individuals on February 16, 2024.

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Maine clockDiscovered Jan 29, 2024 → Filed with AG Feb 13, 202415d ✓ ME AG ≤30d15 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 1 days

discovery → filing · 15 days

Jan 28, 2024

Begins

Jan 29, 2024

Discovered

Feb 13, 2024

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed100 affectedView incident

Name: USCC Services, LLC
norm: uscc services
Domain: uscellular.com

Name: USCC Services, LLC
norm: uscc services
Domain: uscellular.com
Also named: USCC Services, LLCdba oflegal entity
UScellulardba oftrade name
Industry: Telecom & Mediallm

Discovered: Jan 29, 2024
Breach occurred: Jan 28, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Feb 16, 2024
Affected individuals: 100state + nationwide
Data types: Identity (basic)Financial accountFinancial credentials
Data elements: Financial account number
Attack vector: Unauthorized Access
Threat actor: External

During the incident: Sent written notification to affected consumers
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 days(15 days from discovery to filing)
Compliance flags: ME AG ≤30d · 15d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jan 29, 2024
→ Filed with AG: Feb 13, 2024
15d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jan 29, 2024 → Filed with AG: Feb 13, 2024	15d	30 days	ME AG ≤30d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/d890565b-6fa2-4100-9e29-5ebac9e684dd.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 13, 2024
Raw hash: f051d51e2a31c1d4eb68222d1e064827694f800417d4790983c03ed6e5e6d50c

Reporting entityUSCC Services, LLC

Victim entityUSCC Services, LLC

Incidentdiscovered Jan 29, 2024

Stated responseSent written notification to affected consumers

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov