HackingFinancial ServicesTechnologyFinanceData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

Memberclose LLC

bd_152b61b1bbabe4ef · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 15, 2025

Filed

Jan 15, 2026

To disclose

4 weeks

Affected · nationwide

4,84548 in this filing

Linked

6 filings

Confidence

66%

Full breach record for Memberclose LLC →2 incidents on file

Memberclose LLC reported an external system breach (hacking) affecting 4,845 individuals, including 48 Maine residents. Unauthorized access occurred Oct 29-30, 2025, involving the downloading of personal data (name, DOB, SSN) from a cloud application. Discovered Dec 15, 2025. Notifications sent Jan 15, 2026, offering Kroll credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Dec 15, 2025 → Filed with AG Jan 15, 202631d ⏱ ME AG >30d4 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 · 47 days

discovery → filing · 4 weeks / 31 days

Oct 29, 2025

Begins

Dec 15, 2025

Discovered

Jan 15, 2026

Filed

vs. sector median

4 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Nebraska State AGbd_6262ef1e5d9649752026-01-15Verified
Vermont State AGbd_67e63e1fc12946ce2026-01-15Verified
Indiana State AGbd_83cd25f40fe6fedb2026-01-15Verified
Massachusetts State AGbd_6341163658c0edea2026-01-16 · +1dVerified

Show 1 more filing ↓up to 5d gap

New Hampshire State AGbd_80c826d6a50e264f2026-01-20 · +5dVerified

Name: Memberclose LLC
norm: memberclose

Name: Memberclose LLC
norm: memberclose
Industry: Financial ServicesllmTechnologyllm

Discovered: Dec 15, 2025
Breach occurred: Oct 29, 2025 – Oct 30, 2025
Undetected for: 47 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 15, 2026
Affected individuals: 4,845state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Secured the application
Commenced investigation with external cybersecurity professionals
Notified affected parties
Provided identity monitoring services through Kroll
Changes made: Continually evaluate and modify practices and internal controls to enhance security and privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(31 days from discovery to filing)
Compliance flags: ME AG >30d · 31d
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: Dec 15, 2025
→ Filed with AG: Jan 15, 2026
31d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 15, 2025 → Filed with AG: Jan 15, 2026	31d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Nebraska State AGJan 15 · first

Vermont State AGJan 15 · first

Indiana State AGJan 15 · first

Maine State AGJan 15 · first · this page

Massachusetts State AG+1d

New Hampshire State AG+5d

Pattern: first filing Jan 15 (NE), last Jan 20 (NH) — a 5-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-a1252b4f8318/77394c18-0ffe-442b-b4e5-0595abb6cc2a.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 15, 2026
Raw hash: cccb5dc8aa3b20747fbdb75005faf7e1dd99d7629cadd0c4f3809e63777014db

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMemberclose LLC

Victim entityMemberclose LLC

Incidentdiscovered Dec 15, 2025

Stated responseSecured the application

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov