Social EngineeringEnergy & UtilitiesUtilitiesPhishingCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancialMediumContained

Extraction Oil & Gas Holdings, LLC

bd_594db19a87df2def · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 24, 2016

Filed

May 31, 2016

To disclose

7 days

Affected

1state residents only

Confidence

64%

Full breach record for Extraction Oil & Gas Holdings, LLC →2 incidents on file

Extraction Oil & Gas, LLC disclosed an inadvertent release of employee PII (names, addresses, SSNs, 2015 wages) following a phishing scam on May 23, 2016. The company detected the incident on May 24, 2016, notified Denver Police, and retained ID Watchdog for identity monitoring services. Notices were sent to affected employees on May 27, 2016.

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Incident timeline

undetected · 1 days

discovery → filing · 7 days

May 23, 2016

Begins

May 24, 2016

Discovered

May 31, 2016

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Extraction Oil & Gas Holdings, LLC
norm: extraction oil gas

Name: Extraction Oil & Gas Holdings, LLC
norm: extraction oil gas
Industry: Energy & Utilitiesllm

Discovered: May 24, 2016
Breach occurred: May 23, 2016
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: May 27, 2016
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Reported to the State of Montana Attorney General’s Office of Consumer Protection
Initial access: phishing_link

During the incident: Notified the Denver Police Department and filed a police report
Retained ID Watchdog Inc. to provide identity monitoring, identity theft detection, and resolution services to all employees free of charge
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 days(7 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://dojmt.gov/wp-content/uploads/Extraction-Oil-Gas.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 31, 2016
Raw hash: 05b7961f5d3c1acf74a8fb1028de322e070461118deaf8b62a1deece5b26d11a

Reporting entityExtraction Oil & Gas Holdings, LLC

Victim entityExtraction Oil & Gas Holdings, LLC

Incidentdiscovered May 24, 2016

Stated responseNotified the Denver Police Department and filed a police report

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov