Social EngineeringEnergy & UtilitiesUtilitiesPhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDMediumContained

PetroQuest Energy LLC

bd_26630aa2cef56f89 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 9, 2021

Filed

Oct 19, 2021

To disclose

28 weeks

Affected

5state residents only

Linked

4 filings

Confidence

66%

Full breach record for PetroQuest Energy LLC →

PetroQuest Energy LLC notified NH AG of a cybersecurity incident discovered April 9, 2021. Unauthorized access occurred March 13–April 9, 2021, compromising an employee email account. Potential exposure of PII including SSNs/Tax IDs from W-9s in lease agreements. 5 NH residents affected. Notifications mailed Oct 15, 2021. Remediation included firewall updates, MFA implementation, and credit monitoring offers.

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Incident timeline

undetected · 27 days

discovery → filing · 28 weeks / 193 days

Mar 13, 2021

Begins

Apr 9, 2021

Discovered

Oct 19, 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

Massachusetts State AGbd_ea8a8ed7e76a0eae2021-10-15 · +4dVerified
Maine State AGbd_4d206564d1078d0d2021-10-13 · +6dCandidate
California State AGbd_b9a9702f68d0c2da2021-10-13 · +6dVerified

Name: Wilson, Elser, Moskowitz, Edelman & Dicker LLP
norm: wilson elser moskowitz edelman dicker
Domain: wilsonelser.com

Name: PetroQuest Energy LLC
norm: petroquest energy
Industry: Energy & Utilitiesllm

Discovered: Apr 9, 2021
Breach occurred: Mar 13, 2021 – Apr 9, 2021
Undetected for: 27 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 15, 2021
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Office of Attorney General of New Hampshire
Initial access: phishing_link

During the incident: Engaged a forensic team to review the impacted system
Updating existing firewalls
Removing all public facing servers from the network
Implementing stronger AV and EDR software
Replacing remote connection software with a version that supports MFA
Improving offsite backup testing
Requiring MFA for admin accounts
Offering complimentary credit monitoring to the affected individuals
Changes made: Updating existing firewalls
Removing all public facing servers from the network
Implementing stronger AV and EDR software
Replacing remote connection software with a version that supports MFA
Improving offsite backup testing
Requiring MFA for admin accounts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(193 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 ↗

Maine State AGOct 13 · first

California State AGOct 13 · first

Massachusetts State AG+2d

New Hampshire State AG+6d · this page

Pattern: first filing Oct 13 (ME), last Oct 19 (NH) — a 6-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://mm.nh.gov/files/uploads/doj/remote-docs/petroquest-energy-20211019.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 19, 2021
Raw hash: 3a3316eda7d3c1c5a82bf6db03296a32f99b8513c5111c057a98302b896f81a2

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityWilson, Elser, Moskowitz, Edelman & Dicker LLP

Victim entityPetroQuest Energy LLC

Incidentdiscovered Apr 9, 2021

Stated responseEngaged a forensic team to review the impacted system

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov