HackingFinancial ServicesFinanceCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

SPRING MILL PARTNERS, LLC

bd_14167477978aec5d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 10, 2021

Filed

Oct 6, 2021

To disclose

26 days

Affected · nationwide

7501 in this filing

Linked

2 filings

Confidence

66%

Full breach record for SPRING MILL PARTNERS, LLC →2 incidents on file

Spring Mill Partners, LLC, a financial services entity, reported an external system breach (hacking) on 12/17/2021, discovered on 09/10/2021. The incident affected 750 individuals, including 1 Maine resident. Personal information acquired included names combined with Social Security Numbers. The entity provided written notification and offered 12 months of Experian IdentityWorks credit monitoring.

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Maine clockDiscovered Sep 10, 2021 → Filed with AG Oct 6, 202126d ✓ ME AG ≤30d26 days 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 — partial

? — ?

Breach window unknown

Oct 6, 2021

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_ec434cbef685fd802021-10-06Verified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: SPRING MILL PARTNERS, LLC
norm: spring mill
Industry: Financial Servicesllm

Discovered: Sep 10, 2021
Breach occurred: Dec 17, 2021
Materiality determined: —
Notification sent: Oct 6, 2021
Affected individuals: 750state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12-month Experian IdentityWorks Credit 3B credit monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: ME AG ≤30d · 26d
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: Sep 10, 2021
→ Filed with AG: Oct 6, 2021
26d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 10, 2021 → Filed with AG: Oct 6, 2021	26d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGOct 6 · first

Maine State AGOct 6 · first · this page

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-a1252b4f8318/0b76239c-8f80-4fb7-964f-1fe39ef2738b.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 6, 2021
Raw hash: c9f4793a20956c1e76cf781002495011edac3d61f5d2b9245c57788a89f2e34d

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entitySPRING MILL PARTNERS, LLC

Incidentdiscovered Sep 10, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov