HackingUtilitiesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Sheridan Production Company III, LLC

bd_dd11ca6576d41aa3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Oct 25, 2021

To disclose

—

Affected

Not disclosed

Linked

4 filings

Confidence

65%

Full breach record for Sheridan Production Company III, LLC →

Sheridan Production Company III, LLC reported unauthorized access to its network between August 14 and August 19, 2021. The investigation concluded on September 29, 2021, revealing that full names, Social Security/Tax ID numbers, driver's license numbers, and financial account information may have been removed from the network. The company engaged outside cybersecurity professionals and offered one year of complimentary credit monitoring via Experian IdentityWorks.

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Incident timeline

Aug 14, 2021

Begins

Oct 25, 2021

Filed

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_9230ea9513a3dd952021-10-20 · +5dCandidate
Oregon State AGbd_ffa3d182cb807d192021-11-04 · +10dVerified by operator
Indiana State AGbd_4e174317517421402021-10-15 · +10dVerified

Name: Sheridan Production Company III, LLC
norm: sheridan production company iii

Name: Sheridan Production Company III, LLC
norm: sheridan production company iii

Discovered: —
Breach occurred: Aug 14, 2021 – Aug 19, 2021
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Offering a complimentary one-year membership of Experian IdentityWorks Credit 1B
Source: Quoted from the filing itself, not independently verified.

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 ↗

Indiana State AGOct 15 · first

Maine State AG+5d

California State AG+10d · this page

Oregon State AG+20d

Pattern: first filing Oct 15 (IN), last Nov 4 (OR) — a 20-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://oag.ca.gov/ecrime/databreach/reports/sb24-546854
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 25, 2021
Raw hash: 3ec3b4504bd64bd76c4a177dadfecc20cd5579e7d9f9a38ec328c01ead71d8ee

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entitySheridan Production Company III, LLC

Victim entitySheridan Production Company III, LLC

IncidentUnknown

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov