Social EngineeringEnergy & UtilitiesUtilitiesPhishingTargetedIdentity (basic)Government IDMediumContained

ENDEAVOR ENERGY RESOURCES, L.P.

bd_ece9e91b6de9efce · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 14, 2020

Filed

Feb 20, 2020

To disclose

5 weeks

Affected

3state residents only

Linked

3 filings

Confidence

66%

Full breach record for ENDEAVOR ENERGY RESOURCES, L.P. →

Endeavor Energy Resources, L.P. notified Montana residents of a phishing incident affecting an employee's Office 365 account. The unauthorized access potentially exposed names and Social Security numbers of current/former employees and family members. Endeavor engaged forensic investigators, law enforcement, and provided one year of identity protection services.

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Incident timeline

discovery → filing · 5 weeks / 37 days

Jan 14, 2020

Discovered

Feb 20, 2020

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

HHS OCRbd_5fc6ee0a51f707952020-02-20Verified
Indiana State AGbd_9e5fe02f614c96282020-02-20Verified

Name: ENDEAVOR ENERGY RESOURCES, L.P.
norm: endeavor energy resources

Name: ENDEAVOR ENERGY RESOURCES, L.P.
norm: endeavor energy resources
Industry: Energy & Utilitiesllm

Discovered: Jan 14, 2020
Materiality determined: —
Notification sent: May 20, 2020
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: ExternalFinancial
Regulator citations: Reported this incident to law enforcement
Initial access: phishing_link

During the incident: Began its investigation
Retained a third-party review company
Retained an outside law firm
Retained other third-party incident response providers
Reported this incident to law enforcement
Providing one year of identity protection services at no cost
Established a call center with trained representatives
Changes made: Reviewing information security safeguards to identify ways to enhance them
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

HHS OCRFeb 20 · first

Indiana State AGFeb 20 · first

Montana State AGFeb 20 · first · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-66.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 20, 2020
Raw hash: 31a72a5c37be068171b25222333f2686fb854a733348e75e2cd765e820cb7ba2

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityENDEAVOR ENERGY RESOURCES, L.P.

Victim entityENDEAVOR ENERGY RESOURCES, L.P.

Incidentdiscovered Jan 14, 2020

Stated responseBegan its investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov