HackingManufacturingManufacturingCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)HighContained

STILLWATER MINING COMPANY

bd_bc602b87f1f3ec83 · schema v1 · pii pii-v1

Severity

High

Discovered

Jul 8, 2024

Filed

Sep 14, 2024

To disclose

10 weeks

Affected · nationwide

7,2582 in this filing

Linked

4 filings

Confidence

66%

Full breach record for STILLWATER MINING COMPANY →

Stillwater Mining Company reported an external system breach (hacking) occurring on June 11, 2024, discovered on July 8, 2024. The incident impacted employee data including names, government IDs, SSNs, financial account numbers, and health plan numbers. 7,258 individuals were affected, including 2 Maine residents. The company engaged forensic experts, notified law enforcement, and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 8, 2024 → Filed with AG Sep 14, 202468d ⏱ ME AG >30d10 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 27 days

discovery → filing · 10 weeks / 68 days

Jun 11, 2024

Begins

Jul 8, 2024

Discovered

Sep 14, 2024

Filed

vs. sector median

1 wks faster

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_0062a03edb9791fb2024-09-13 · +1dVerified
Montana State AGbd_35af31644f0003c02024-09-07 · +7dCandidate
Indiana State AGbd_a1d5521ddec2d4822024-09-07 · +7dVerified

Name: STILLWATER MINING COMPANY
norm: stillwater mining

Name: STILLWATER MINING COMPANY
norm: stillwater mining
Industry: Manufacturingllm

Discovered: Jul 8, 2024
Breach occurred: Jun 11, 2024
Undetected for: 27 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 7, 2024
Affected individuals: 7,258state + nationwide
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Initiated the Incident Response plan
Engaged external cybersecurity experts and forensic firms
Notified relevant law enforcement agencies
Changes made: Refining password policies
Investing in enhancing end-point detection, real-time monitoring and response capabilities
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 days from discovery to filing)
Compliance flags: ME AG >30d · 68dME resident >60d · 61d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jul 8, 2024
→ Filed with AG: Sep 14, 2024
68d 30 days (soft) ME AG >30d
Maine
Discovered: Jul 8, 2024
→ Notified: Sep 7, 2024
61d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 8, 2024 → Filed with AG: Sep 14, 2024	68d	30 days (soft)	ME AG >30d
Maine	Discovered: Jul 8, 2024 → Notified: Sep 7, 2024	61d	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 ↗

Montana State AGSep 7 · first

Indiana State AGSep 7 · first

Massachusetts State AG+6d

Maine State AG+7d · this page

Pattern: first filing Sep 7 (MT), last Sep 14 (ME) — a 7-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/08e8f97c-fb4c-4395-8133-a6bbaefd2cc5.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 14, 2024
Raw hash: 804a2c6de55e5c8ab45a07e0ba0f9607f3a4b496902c808cd5784d7740142c42

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entitySTILLWATER MINING COMPANY

Victim entitySTILLWATER MINING COMPANY

Incidentdiscovered Jul 8, 2024

Stated responseInitiated the Incident Response plan

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov