Social EngineeringProfessional ServicesProfessional ServicesPhishingCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)PIILowContained

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

bd_7c4a829af1970967 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 1, 2022

Filed

Jul 14, 2023

To disclose

32 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

66%

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

Kleinberg, Kaplan, Wolff & Cohen, P.C. notified consumers of a phishing incident affecting one attorney's email account from Sept 6-8, 2022. The breach exposed personal information of clients and third parties. The firm engaged forensic specialists, notified law enforcement, and offered credit monitoring.

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Vermont clock✗ VT AG >45 bday32 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 86 days

discovery → filing · 32 weeks / 225 days

Sep 6, 2022

Begins

Dec 1, 2022

Discovered

Jul 14, 2023

Filed

vs. sector median

+13 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_040e037bcacba4a52023-07-14Verified
Indiana State AGbd_5186a7aedd375e7e2023-07-14Verified
New Hampshire State AGbd_0888a97b8d076c202023-07-19 · +5dVerified

Name: Kleinberg, Kaplan, Wolff & Cohen, P.C.
norm: kleinberg kaplan wolff cohen
Domain: kkwc.com
Industry: Legal Services

Name: Kleinberg, Kaplan, Wolff & Cohen, P.C.
norm: kleinberg kaplan wolff cohen
Domain: kkwc.com
Industry: Legal Services
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: Not disclosed
Data types: Identity (basic)PII
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement
Initial access: phishing_link

During the incident: Engaged third-party specialists to assist with the investigation
Notified federal law enforcement
Offering complimentary credit monitoring and identity theft protection services
Changes made: Updating administrative and technical safeguards
Providing additional cybersecurity training for personnel
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 32 weeks(225 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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 · this page

New Hampshire State AG+5d

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://ago.vermont.gov/document/2023-07-14-kleinberg-kaplan-wolff-cohen-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 14, 2023
Raw hash: 94ca2af7bf2ec7df6ed31c14fefc5f910586b976e10ea3e3f1fed18f1d5d0697

Linked disclosures

Regulatory filings (3) · sorted by filing gap

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

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

Incidentdiscovered Dec 1, 2022

Stated responseEngaged third-party specialists to assist with the investigation

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov