HackingEnergy & UtilitiesUtilitiesStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Pioneer Oil Company, Inc

bd_846df2b2e1b00c85 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 26, 2024

Filed

Jun 24, 2024

To disclose

13 weeks

Affected

3state residents only

Linked

4 filings

Confidence

66%

Full breach record for Pioneer Oil Company, Inc →

Pioneer Oil Company, Inc. notified Montana residents of unauthorized access to computer systems discovered on March 26, 2024. The incident potentially exposed names and Social Security numbers. The company secured its network, engaged forensic investigators, and provided 12 months of complimentary credit monitoring via Cyberscout. No evidence of misuse was found.

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Incident timeline

discovery → filing · 13 weeks / 90 days

Mar 26, 2024

Discovered

Jun 24, 2024

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_3adb69ea9914aa7f2024-06-24Verified
Indiana State AGbd_e108ed7d62a511192024-06-24Verified
Illinois State AGbd_0e2d559dc6275e502024-06-01 · +23dVerified

Name: Pioneer Oil Company, Inc
norm: pioneer oil

Name: Pioneer Oil Company, Inc
norm: pioneer oil
Industry: Energy & Utilitiesllm

Discovered: Mar 26, 2024
Materiality determined: —
Notification sent: Jun 24, 2024
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured our network
Engaged a third-party team of forensic investigators
Enhance the security of our network
Arranged for you to enroll, at no cost to you, in an online credit monitoring service for 12 months provided by Cyberscout
Changes made: Enhance the security of our network to prevent similar incidents from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(90 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Illinois State AGJun 1 · first

Massachusetts State AG+23d

Indiana State AG+23d

Montana State AG+23d · this page

Pattern: first filing Jun 1 (IL), last Jun 24 (MT) — a 23-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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-1501.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 24, 2024
Raw hash: b7b1f1f5bb8fa04019a189c713dfb263ef9474099b2299abd67aff9d8ac387af

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityPioneer Oil Company, Inc

Victim entityPioneer Oil Company, Inc

Incidentdiscovered Mar 26, 2024

Stated responseSecured our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov