Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsTargetedCustomer Data InvolvedPIIIdentity (basic)LowContained

Kleinberg, Kaplan, Wolff & Cohen, P.C.

bd_0888a97b8d076c20 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 1, 2022

Filed

Jul 19, 2023

To disclose

33 weeks

Affected

4state residents only

Linked

4 filings

Confidence

66%

Full breach record for Kleinberg, Kaplan, Wolff & Cohen, P.C. →

Kleinberg, Kaplan, Wolff & Cohen, P.C. notified the NH AG of a phishing incident affecting one attorney's email account. Unauthorized access occurred Sept 6-8, 2022. The incident targeted wire payment fraud, potentially exposing personal info of 4 NH residents. KKWC engaged forensic specialists, notified law enforcement, and offered credit monitoring.

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Incident timeline

undetected · 86 days

discovery → filing · 33 weeks / 230 days

Sep 6, 2022

Begins

Dec 1, 2022

Discovered

Jul 19, 2023

Filed

vs. sector median

+14 wks slower

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_040e037bcacba4a52023-07-14 · +5dVerified
Indiana State AGbd_5186a7aedd375e7e2023-07-14 · +5dVerified
Vermont State AGbd_7c4a829af19709672023-07-14 · +5dCandidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Kleinberg, Kaplan, Wolff & Cohen, P.C.
norm: kleinberg kaplan wolff cohen
Industry: Professional Servicesllm

Discovered: Dec 1, 2022
Breach occurred: Sep 6, 2022 – Sep 8, 2022
Undetected for: 86 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 14, 2023
Affected individuals: 4state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Consumer Protection Bureau, Office of the New Hampshire Attorney General
Initial access: phishing_link

During the incident: Engaged third-party specialists to assist with the investigation
Notified federal law enforcement
Providing access to complimentary credit monitoring services for through IDX
Providing identified individuals with a toll-free number, as well as a monitored email address
Changes made: Updating administrative and technical safeguards
Providing additional cybersecurity training for our personnel
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 33 weeks(230 days from discovery to filing)
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 ↗

Massachusetts State AGJul 14 · first

Indiana State AGJul 14 · first

Vermont State AGJul 14 · first

New Hampshire State AG+5d · this page

Pattern: first filing Jul 14 (MA), last Jul 19 (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://mm.nh.gov/files/uploads/doj/remote-docs/kleinberg-kaplan-wolff-cohen-20230719.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 19, 2023
Raw hash: 75886b45aaf1d7d3ee8ee7f8bec7cb02dbb0b3bbb79aad29b0d410e7ba81e87c

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityKleinberg, Kaplan, Wolff & Cohen, P.C.

Incidentdiscovered Dec 1, 2022

Stated responseEngaged third-party specialists to assist with the investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov