Social EngineeringPhishingStolen CredentialsCustomer Data InvolvedMulti-Stage ChainPIIIdentity (basic)LowContained

Upstream RollCo, LLC

bd_481d77655f615c69 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 24, 2023

Filed

Sep 15, 2023

To disclose

33 weeks

Affected

59state residents only

Linked

5 filings

Confidence

62%

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

Upstream RollCo LLC notified Montana residents of unauthorized access to employee email accounts between Jan 24 and Feb 9, 2023. The incident involved phishing leading to credential compromise. Affected data included names and variable personal data. The company offered credit monitoring and is enhancing security policies.

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Incident timeline

discovery → filing · 33 weeks / 234 days

Jan 24, 2023

Begins

Jan 24, 2023

Discovered

Sep 15, 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_432d3d9e118718422023-09-15Verified
California State AGbd_7e4d484b6d371f422023-09-15Verified
Washington State AGbd_8071615219b7efc62023-09-15Verified
South Carolina State AGbd_e187942d38538bbc2023-09-18 · +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: 59state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
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 12/24 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: 33 weeks(234 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGSep 15 · first

California State AGSep 15 · first

Washington State AGSep 15 · first

Montana State AGSep 15 · first · this page

South Carolina State AG+3d

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-682.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 15, 2023
Raw hash: 101889e4ea2199685edf91f3d5882045812d5c74f71681a0cc2030f373de1f20

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov