HackingEnergy & UtilitiesUtilitiesVulnerability ExploitTargetedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Capital Star Oil & Gas, Inc.

bd_f41fa013ce4bf4a1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 3, 2025

Filed

Mar 17, 2026

To disclose

19 weeks

Affected

4state residents only

Linked

6 filings

Confidence

66%

Full breach record for Capital Star Oil & Gas, Inc. →

Capital Star Oil & Gas, Inc. reported an external system breach (hacking) affecting 4 Maine residents. The breach occurred on November 2, 2025, and was discovered on November 3, 2025. Personal information, including names and Social Security numbers, was potentially accessed. The company engaged cybersecurity specialists, enhanced network security, and provided 12 months of credit monitoring and ID protection services to affected individuals.

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Maine clockDiscovered Nov 3, 2025 → Filed with AG Mar 17, 2026134d ✗ ME AG >90d19 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 1 days

discovery → filing · 19 weeks / 134 days

Nov 2, 2025

Begins

Nov 3, 2025

Discovered

Mar 17, 2026

Filed

This filing is one of 6 about the same incident.View merged incident

A leak claim by dragonforce about this victim predates this filing by 134 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitedragonforcebd_b35460540aea81562025-12-02 · +105dVerified
Leak Sitedragonforcebd_edaed2bb770072b82025-11-03 · +134dVerified by operator

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_49b6e525315cd5352026-03-17Candidate
Massachusetts State AGbd_3d599c16ec3556aa2026-03-18 · +1dVerified
Texas State AGbd_8fe3b53b6b3fac9b2026-03-18 · +1dVerified

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Capital Star Oil & Gas, Inc.
norm: capital star oil gas
Domain: capitalstaroilngas.com
Industry: Energy & Utilitiesllm

Discovered: Nov 3, 2025
Breach occurred: Nov 2, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Mar 17, 2026
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Engaged cybersecurity specialists to assist with the incident response
Conducted a comprehensive review of the accessed data
Implemented measures to enhance network security
Changes made: Implemented measures to enhance network security and minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(134 days from discovery to filing)
Compliance flags: ME AG >90d · 134dME resident >60d · 134dLeak >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Nov 3, 2025
→ Filed with AG: Mar 17, 2026
134d 90 days ME AG >90d
Maine
Discovered: Nov 3, 2025
→ Notified: Mar 17, 2026
134d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 3, 2025 → Filed with AG: Mar 17, 2026	134d	90 days	ME AG >90d
Maine	Discovered: Nov 3, 2025 → Notified: Mar 17, 2026	134d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGMar 17 · first

Maine State AGMar 17 · first · this page

Massachusetts State AG+1d

Texas State AG+1d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/b50dda5b-cb33-4a52-9f2b-c7b7834e6329.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 17, 2026
Raw hash: 3fc96f7df723e121b7120535a49ca9cac642f01beb31c8454f1bf73a8a137036

Linked disclosures

Ransomware claims (2)

Regulatory filings (3) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityCapital Star Oil & Gas, Inc.

Incidentdiscovered Nov 3, 2025

Stated responseEngaged cybersecurity specialists to assist with the incident response

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov