HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

Quilvest & Partners USA LLC

bd_369a0eaea1f453c5 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Dec 19, 2024

To disclose

—

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for Quilvest & Partners USA LLC →

Quilvest & Partners USA LLC experienced an unauthorized intrusion by a third party between August 11 and August 18, 2024. Data files were exfiltrated. On December 11, 2024, the company determined that personal information of 2 New Hampshire residents was potentially accessed. The company engaged third-party experts, notified law enforcement, and implemented additional security measures. Affected individuals are being offered identity monitoring services.

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Incident timeline

Aug 11, 2024

Begins

Dec 19, 2024

Filed

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_4074987b4b8d32fa2024-12-20 · +1dVerified
Maine State AGbd_7aa0d55a480e57542024-12-20 · +1dVerified
Vermont State AGbd_825396469bda80b52024-12-23 · +4dVerified

Name: Quilvest & Partners USA LLC
norm: quilvest partners usa

Name: Quilvest & Partners USA LLC
norm: quilvest partners usa
Industry: Professional Servicesllm

Discovered: —
Breach occurred: Aug 11, 2024 – Aug 18, 2024
Materiality determined: —
Notification sent: Dec 23, 2024
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified New Hampshire Department of Justice

During the incident: Took immediate action to review this incident and secure its systems
Retained leading third-party experts to conduct a review of the incident
Notified appropriate law enforcement
Implemented additional security measures
Changes made: Implemented additional security measures to help further protect against this type of incident going forward
Offering complimentary access to identity theft protection services through IDX
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGDec 19 · first · this page

Massachusetts State AG+1d

Maine State AG+1d

Vermont State AG+4d

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://mm.nh.gov/files/uploads/doj/remote-docs/quilvest-partners-usa-20241219.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 19, 2024
Raw hash: 6bf106a2465870214eeb0f8d4cfc736fad1ae1066d18bdb9e85686559b6d7f53

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityQuilvest & Partners USA LLC

Victim entityQuilvest & Partners USA LLC

IncidentUnauthorized Access

Stated responseTook immediate action to review this incident and secure its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov