HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)MediumContained

Quilvest & Partners USA LLC

bd_7aa0d55a480e5754 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 11, 2024

Filed

Dec 20, 2024

To disclose

9 days

Affected · nationwide

2,8005 in this filing

Linked

4 filings

Confidence

65%

Full breach record for Quilvest & Partners USA LLC →

Quilvest & Partners USA LLC, a financial services firm, reported an external system breach (hacking) occurring between August 11 and 18, 2024. The incident was discovered on December 11, 2024, affecting 2,800 individuals nationwide, including 5 Maine residents. Personal information (names and identifiers) was accessed. The company engaged third-party cybersecurity experts and law enforcement, implemented additional security measures, and offered 24 months of identity protection services through IDX.

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Maine clockDiscovered Dec 11, 2024 → Filed with AG Dec 20, 20249d ✓ ME AG ≤30d9 days 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 · 122 days

discovery → filing · 9 days

Aug 11, 2024

Begins

Dec 11, 2024

Discovered

Dec 20, 2024

Filed

vs. sector median

7 wks faster

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_4074987b4b8d32fa2024-12-20Verified
New Hampshire State AGbd_369a0eaea1f453c52024-12-19 · +1dCandidate
Vermont State AGbd_825396469bda80b52024-12-23 · +3dVerified

Name: DECHERT LLP
norm: dechert

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

Discovered: Dec 11, 2024
Breach occurred: Aug 11, 2024 – Aug 18, 2024
Undetected for: 122 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 23, 2024
Affected individuals: 2,800state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: exploit_public_facing

During the incident: Undertook a review, working with third-party cybersecurity experts and law enforcement
Implemented additional security measures
Changes made: Implemented additional security measures to help further protect against this type of incident going forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 days(9 days from discovery to filing)
Compliance flags: ME AG ≤30d · 9d
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 11, 2024
→ Filed with AG: Dec 20, 2024
9d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 11, 2024 → Filed with AG: Dec 20, 2024	9d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGDec 19 · first

Massachusetts State AG+1d

Maine State AG+1d · this page

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/88a262a0-f81d-47f4-b39a-9b26ad89acef.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 20, 2024
Raw hash: 5cb07aeba275db2ac5774cb618d8b607c0506a0ead40b686b9b77d927f746cca

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityDECHERT LLP

Victim entityQuilvest & Partners USA LLC

Incidentdiscovered Dec 11, 2024

Stated responseUndertook a review, working with third-party cybersecurity experts and law enforcement

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov