HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedPIIIdentity (basic)LowContained

Herman Katz LLP

bd_e288c70af65c22c6 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 10, 2024

Filed

Aug 8, 2024

To disclose

13 weeks

Affected

1state residents only

Linked

4 filings

Confidence

65%

Full breach record for Herman Katz LLP →

Herman Katz LLP notified the New Hampshire Attorney General of a data security incident discovered on May 10, 2024. An unauthorized third party compromised the firm's network, potentially impacting personal information of one New Hampshire resident. Notification letters were mailed on August 2, 2024, offering credit monitoring via Kroll. The firm engaged third-party experts and law enforcement.

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Incident timeline

discovery → filing · 13 weeks / 90 days

May 10, 2024

Begins

May 10, 2024

Discovered

Aug 8, 2024

Filed

vs. sector median

6 wks faster

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_63347e8e8d3614252024-08-03 · +5dVerified
Maine State AGbd_93df858bc45b60e52024-08-02 · +6dCandidate
Vermont State AGbd_9dd10dcbefa649302024-08-02 · +6dVerified

Name: Pierson Ferdinand LLP
norm: pierson ferdinand
Domain: pierferd.com

Name: Herman Katz LLP
norm: herman katz
Industry: Professional Servicesllm

Discovered: May 10, 2024
Breach occurred: May 10, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 2, 2024
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified law enforcement regarding this incident
Initial access: exploit_public_facing

During the incident: Engaged additional third-party experts
Enhanced our data security
Commenced an investigation
Notified law enforcement regarding this incident
Initiated an incident response plan
Hardened and enhanced our network security
Conducted a digital forensic investigation
Changes made: Offered complimentary credit monitoring and identity protection services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(90 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 ↗

Maine State AGAug 2 · first

Vermont State AGAug 2 · first

Massachusetts State AG+1d

New Hampshire State AG+6d · this page

Pattern: first filing Aug 2 (ME), last Aug 8 (NH) — a 6-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/herman-katz-20240808.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 8, 2024
Raw hash: 5e43b826814a33b6e551b68db292f6eb3c8c6e71796a84ccfd4eb03e39673ba3

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityPierson Ferdinand LLP

Victim entityHerman Katz LLP

Incidentdiscovered May 10, 2024

Stated responseEngaged additional third-party experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov