HackingTechnologyInformationTargetedIdentity (basic)Government IDMediumContained

Memberclose LLC

bd_67e63e1fc12946ce · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 30, 2025

Filed

Jan 15, 2026

To disclose

11 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

66%

Full breach record for Memberclose LLC →2 incidents on file

Memberclose LLC notified consumers of a data breach involving unauthorized access to a cloud application on October 29, 2025. Compromised data included names, dates of birth, and Social Security numbers. Memberclose engaged external cybersecurity professionals, secured the application, and offered complimentary identity monitoring services to affected individuals.

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Vermont clock✗ VT AG >45 bday11 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 · 11 weeks / 77 days

Oct 29, 2025

Begins

Oct 30, 2025

Discovered

Jan 15, 2026

Filed

vs. sector median

8 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

Maine State AGbd_152b61b1bbabe4ef2026-01-15Candidate
Nebraska State AGbd_6262ef1e5d9649752026-01-15Verified
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: Technologyllm

Discovered: Oct 30, 2025
Breach occurred: Oct 29, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Jan 15, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Took steps to secure the application
Commenced a prompt and thorough investigation with external cybersecurity professionals
Notified [the third party]
Providing identity monitoring at no cost to you for [blank] months
Set up a dedicated and confidential toll-free response line
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(77 days from discovery to filing)
Compliance flags: VT AG >45 bday
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Maine State AGJan 15 · first

Nebraska State AGJan 15 · first

Indiana State AGJan 15 · first

Vermont State AGJan 15 · first · this page

Massachusetts State AG+1d

New Hampshire State AG+5d

Pattern: first filing Jan 15 (ME), 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://ago.vermont.gov/document/2026-01-15-memberclose-data-breach-notice-consumers
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: 6dbfe72c6aa958cab06ab798776ca04e0002a643ee5519c0ea48335ab86b9632

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMemberclose LLC

Victim entityMemberclose LLC

Incidentdiscovered Oct 30, 2025

Stated responseTook steps to secure the application

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov