HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)MediumContained

Casner & Edwards, LLP

bd_36fcfd67d52630f5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 10, 2024

Filed

May 20, 2025

To disclose

14 months

Affected

1,480state residents only

Linked

6 filings

Confidence

66%

Full breach record for Casner & Edwards, LLP →

Casner & Edwards, LLP notified the NH AG of unauthorized network access between March 21-23, 2024, discovered April 10, 2024. An unknown actor accessed files containing names and personal info of 1,480 NH residents. The firm engaged third-party specialists, notified federal law enforcement, and offered 12 months of credit monitoring via Experian.

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Incident timeline

undetected · 20 days

discovery → filing · 14 months / 405 days

Mar 21, 2024

Begins

Apr 10, 2024

Discovered

May 20, 2025

Filed

vs. sector median

+40 wks slower

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

Massachusetts State AGbd_367ce37d34dca93a2025-05-20Verified
Nebraska State AGbd_47ac628d8d899cdf2025-05-20Verified
Maine State AGbd_9c6d7946e8b4cbb62025-05-20Verified
Indiana State AGbd_b658d00581a4c0e62025-05-20Verified

Show 1 more filing ↓

Vermont State AGbd_f10cf133b6c2cc002025-05-20Candidate

Name: Casner & Edwards, LLP
norm: casner edwards

Name: Casner & Edwards, LLP
norm: casner edwards
Industry: Professional Servicesllm

Discovered: Apr 10, 2024
Breach occurred: Mar 21, 2024 – Mar 23, 2024
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 20, 2025
Affected individuals: 1,480state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified federal law enforcementProviding written notice of this incident to relevant state regulators
Initial access: valid_credentials

During the incident: Launched an investigation with the assistance of third-party specialists
Took steps to secure its network
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators
Providing written notice to the three major credit reporting agencies
Changes made: Implementing additional safeguards and training to its employees
Implemented additional technical safeguards to help prevent a similar incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 months(405 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 ↗

Massachusetts State AGMay 20 · first

Nebraska State AGMay 20 · first

Maine State AGMay 20 · first

Indiana State AGMay 20 · first

Vermont State AGMay 20 · first

New Hampshire State AGMay 20 · 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://mm.nh.gov/files/uploads/doj/remote-docs/casner-edwards-20250520.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 20, 2025
Raw hash: 8feb56ad3c17e4b1e2e5c291ed748d82855ca39d0d39b17a249c164416878b92

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCasner & Edwards, LLP

Victim entityCasner & Edwards, LLP

Incidentdiscovered Apr 10, 2024

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov