HackingEnergy & UtilitiesUtilitiesCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Arnold Oil Company of Austin, L.P.

bd_439e4cdf0e671bcf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 22, 2025

Filed

Aug 15, 2025

To disclose

29 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Arnold Oil Company of Austin, L.P. →2 incidents on file

Arnold Oil Company of Austin, L.P. notified the New Hampshire Attorney General of unauthorized network access occurring between January 20-22, 2025. The incident affected one New Hampshire resident, whose name and taxpayer identification number were accessed. Arnold Oil engaged third-party specialists, confirmed the scope, and sent notification letters on August 15, 2025, offering 12 months of credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 29 weeks / 205 days

Jan 20, 2025

Begins

Jan 22, 2025

Discovered

Aug 15, 2025

Filed

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

Name: Cipriani
norm: cipriani
Domain: cipriani.com

Name: Arnold Oil Company of Austin, L.P.
norm: arnold oil company of austin
Industry: Energy & Utilitiesllm

Discovered: Jan 22, 2025
Breach occurred: Jan 20, 2025 – Jan 22, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 15, 2025
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Data Incident Notification to New Hampshire Attorney General Consumer Protection Bureau

During the incident: Engaged third-party specialists to assist with determining the nature and scope of the incident
Conducted a comprehensive review of the relevant information
Working to confirm necessary address information to provide relevant individuals with notification
Provided written notice of this incident to the potentially impacted New Hampshire resident
Offer of complimentary credit monitoring and identity protection services for twelve (12) months
Changes made: Providing you with access to credit monitoring and identity protection services at no charge
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(205 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://mm.nh.gov/files/uploads/doj/remote-docs/arnold-oil-20250815.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 15, 2025
Raw hash: 0eee54128506185b3052db67bfdb23951419e01caa1d2bf95834526edce5eb39

Reporting entityCipriani

Victim entityArnold Oil Company of Austin, L.P.

Incidentdiscovered Jan 22, 2025

Stated responseEngaged third-party specialists to assist with determining the nature and scope of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov