HackingGovernment IDIdentity (basic)Financial accountMediumContained

TOCQUEVILLE ASSET MANAGEMENT L.P.

bd_6d7fa967ecb80bd2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 18, 2024

Filed

Nov 13, 2025

To disclose

21 months

Affected

28state residents only

Linked

5 filings

Confidence

66%

Full breach record for TOCQUEVILLE ASSET MANAGEMENT L.P. →

Tocqueville Asset Management notified the New Hampshire Attorney General of a data breach affecting 28 state residents. Unauthorized access occurred between January 5 and February 18, 2024, exposing names, Social Security numbers, and bank account/routing numbers. The company engaged forensic specialists, notified law enforcement, and offered 12 months of credit monitoring. No misuse was detected.

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Incident timeline

undetected · 44 days

discovery → filing · 21 months / 634 days

Jan 5, 2024

Begins

Feb 18, 2024

Discovered

Nov 13, 2025

Filed

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_03d2cd949df50a132025-11-13Candidate
Indiana State AGbd_286c622fd5a1e1b82025-11-13Verified
Nebraska State AGbd_54c89069cc167bba2025-11-13Verified
Massachusetts State AGbd_c14b5501ada176be2025-11-18 · +5dVerified

Name: Cipriani
norm: cipriani
Domain: cipriani.com

Name: TOCQUEVILLE ASSET MANAGEMENT L.P.
norm: tocqueville asset management
Industry: financial_services

Discovered: Feb 18, 2024
Breach occurred: Jan 5, 2024 – Feb 18, 2024
Undetected for: 44 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 13, 2025
Affected individuals: 28state-resident count only
Data types: Government IDIdentity (basic)Financial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau
Initial access: valid_credentials

During the incident: Began an investigation with its IT team and third-party specialists
Engaged third-party data review specialists
Notified law enforcement
Implemented additional technical measures to further secure its systems
Worked with cyber security specialists and took steps to prevent the files at issue from being viewed or possessed without authorization
Changes made: Offering the potentially impacted residents of New Hampshire access to 12 months of complimentary credit monitoring and identity protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 months(634 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGNov 13 · first

Indiana State AGNov 13 · first

Nebraska State AGNov 13 · first

New Hampshire State AGNov 13 · first · this page

Massachusetts State AG+5d

Pattern: first filing Nov 13 (MT), last Nov 18 (MA) — 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://mm.nh.gov/files/uploads/doj/remote-docs/tocqueville-asset-management-20251113.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2025
Raw hash: 77d628e75fbf736d45b2d1d9d425e7ad9fabe8df0d7d8130237c444ddfb07667

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityCipriani

Victim entityTOCQUEVILLE ASSET MANAGEMENT L.P.

Incidentdiscovered Feb 18, 2024

Stated responseBegan an investigation with its IT team and third-party specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov