Social EngineeringPhishingStolen CredentialsCustomer Data InvolvedMulti-Stage ChainIdentity (basic)MediumContained

Upstream RollCo, LLC

bd_e187942d38538bbc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 24, 2023

Filed

Sep 18, 2023

To disclose

34 weeks

Affected

21,295state residents only

Linked

5 filings

Confidence

62%

Full breach record for Upstream RollCo, LLC →3 incidents on file

Upstream RollCo, LLC notified South Carolina residents of unauthorized access to employee email accounts between Jan 24 and Feb 9, 2023. The incident involved phishing leading to credential compromise and email collection. Affected data included names. Upstream offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due34 weeks discovery → filing

Incident timeline

discovery → filing · 34 weeks / 237 days

Jan 24, 2023

Begins

Jan 24, 2023

Discovered

Sep 18, 2023

Filed

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_432d3d9e118718422023-09-15 · +3dVerified
Montana State AGbd_481d77655f615c692023-09-15 · +3dCandidate
California State AGbd_7e4d484b6d371f422023-09-15 · +3dVerified
Washington State AGbd_8071615219b7efc62023-09-15 · +3dVerified

Name: Upstream RollCo, LLC
norm: upstream rollco

Name: Upstream RollCo, LLC
norm: upstream rollco

Discovered: Jan 24, 2023
Breach occurred: Jan 24, 2023 – Feb 9, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 15, 2023
Affected individuals: 21,295state-resident count only
Data types: Identity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Investigated and responded to this event
Assessed the security of our systems
Notified potentially affected individuals
Offering access to 12 months of credit monitoring and identity theft protection services through IDX
Changes made: Reviewing and enhancing existing policies and procedures to reduce the likelihood of a similar future event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(237 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGSep 15 · first

Montana State AGSep 15 · first

California State AGSep 15 · first

Washington State AGSep 15 · first

South Carolina State AG+3d · this page

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/UpstreamRollCoLLC.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 18, 2023
Raw hash: b4ecd6e51dd13d0e61e6e9a08e70c28201790969368b0db46bac8d768133718f

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityUpstream RollCo, LLC

Victim entityUpstream RollCo, LLC

Incidentdiscovered Jan 24, 2023

Stated responseInvestigated and responded to this event

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov