UnknownProfessional ServicesProfessional ServicesCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

Lewis Baach Kaufmann Middlemiss PLLC

bd_185601dfba19cceb · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 29, 2026

To disclose

—

Affected

4state residents only

Linked

4 filings

Confidence

66%

Full breach record for Lewis Baach Kaufmann Middlemiss PLLC →

Lewis Baach Kaufmann Middlemiss PLLC notified individuals of an event involving their information. The firm investigated, strengthened security, and offered 24 months of credit monitoring via Epiq. No specific dates, counts, or attack vectors were disclosed in the notice.

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Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Apr 29, 2026

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

A leak claim by cephalus about this victim predates this filing by 245 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecephalusbd_874e0c804651bbbe2025-08-26 · +245dVerified

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_35dcf19b1e14be5e2026-04-29Verified
Nebraska State AGbd_63ed346aba68a33d2026-04-29Verified

Name: Lewis Baach Kaufmann Middlemiss PLLC
norm: lewis baach kaufmann middlemiss
Domain: lbkmlaw.com

Name: Lewis Baach Kaufmann Middlemiss PLLC
norm: lewis baach kaufmann middlemiss
Domain: lbkmlaw.com
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 4state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unknown

During the incident: Investigated and responded to the suspicious activity
Assessed and further strengthened the security of our systems
Notified potentially affected individuals
Reviewed our security policies and procedures
Offering access to credit monitoring and identity restoration services for 24 months at no cost through Epiq
Changes made: Enhancing our security measures to reduce the risk of similar future events
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGApr 29 · first

Nebraska State AGApr 29 · first

Massachusetts State AGApr 29 · first · this page

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.mass.gov/doc/2026-666-lewis-baach-kaufmann-middlemiss-pllc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2026
Raw hash: db6a436a8aa45e5537f5313cbbdcda92536d50e53eb8668cc0e880288dfcfb6c

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityLewis Baach Kaufmann Middlemiss PLLC

Victim entityLewis Baach Kaufmann Middlemiss PLLC

IncidentUnknown

Stated responseInvestigated and responded to the suspicious activity

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov