HackingProfessional ServicesFinancial ServicesProfessional ServicesStolen CredentialsCapture Stored DataData ExfiltratedTargetedIdentity (basic)Government IDFinancial accountMediumContained

Citrin Cooperman Advisors LLC

bd_1079f6e639bf14ed · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 7, 2023

Filed

Dec 6, 2023

To disclose

29 days

Affected

2state residents only

Linked

6 filings

Confidence

66%

Full breach record for Citrin Cooperman Advisors LLC →2 incidents on file

Citrin Cooperman Advisors LLC notified Montana residents of a cyberattack discovered on November 7, 2023. Unauthorized access resulted in data exfiltration including names, SSNs, and financial account numbers. The company engaged third-party specialists, notified law enforcement, and provided two years of free credit monitoring and identity theft restoration services.

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Incident timeline

discovery → filing · 29 days

Nov 7, 2023

Begins

Nov 7, 2023

Discovered

Dec 6, 2023

Filed

vs. sector median

14 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

Indiana State AGbd_3b2b271a294a18142023-12-06Verified
Maine State AGbd_361769a80c71699e2023-12-25 · +19dVerified
Massachusetts State AGbd_61aeb1b373355c7a2023-12-25 · +19dVerified
New Hampshire State AGbd_189953f6466b2c5e2023-12-27 · +21dVerified

Show 1 more filing ↓up to 30d gap

Vermont State AGbd_4c9e68aa52b337152023-11-06 · +30dVerified

Name: Citrin Cooperman Advisors LLC
norm: citrin cooperman advisors
Domain: citrincooperman.com

Name: Citrin Cooperman Advisors LLC
norm: citrin cooperman advisors
Domain: citrincooperman.com
Industry: Professional ServicesllmFinancial Servicesllm

Discovered: Nov 7, 2023
Breach occurred: Nov 7, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: notified certain law enforcement and governmental authorities
Initial access: valid_credentials

During the incident: Commenced an investigation with the assistance of third-party specialists
Notified certain law enforcement and governmental authorities
Began taking measures to assess and contain the incident
Monitoring the dark web for any indication of misuse of impacted data
Arranged access to credit monitoring, web monitoring, and identity theft restoration services at no cost to you for two years
Changes made: Taking appropriate measures to further secure our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Vermont State AGNov 6 · first

Indiana State AG+30d

Montana State AG+30d · this page

Maine State AG+49d

Massachusetts State AG+49d

New Hampshire State AG+51d

Pattern: first filing Nov 6 (VT), last Dec 27 (NH) — a 51-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-920.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 6, 2023
Raw hash: 8aef5d9b630df8a85f1a4abf6dff4713f8924b87f0a2c4b666f6c657c8669e7c

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCitrin Cooperman Advisors LLC

Victim entityCitrin Cooperman Advisors LLC

Incidentdiscovered Nov 7, 2023

Stated responseCommenced an investigation with the assistance of third-party specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov