HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumActive

Normandin, Cheney & O'Neil PLLC

bd_cf5accc221a3f02c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 24, 2025

Filed

Mar 20, 2026

To disclose

12 weeks

Affected

12state residents only

Confidence

66%

Full breach record for Normandin, Cheney & O'Neil PLLC →4 incidents on file

Normandin, Cheney & O’Neil, PLLC (NCO) notified the NH Attorney General of a data breach involving unauthorized network access between Dec 20-24, 2025. NCO identified 12 NH residents whose SSN and/or driver's license numbers may have been copied. NCO engaged law enforcement, changed passwords, and provided 12 months of credit monitoring via Cyberscout/TransUnion. Notices began mailing March 11, 2025 (likely typo for 2026 given breach dates).

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 4 days

discovery → filing · 12 weeks / 86 days

Dec 20, 2025

Begins

Dec 24, 2025

Discovered

Mar 20, 2026

Filed

vs. sector median

6 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed12 affectedView incident

Name: Cipriani
norm: cipriani
Domain: cipriani.com

Name: Normandin, Cheney & O'Neil PLLC
norm: normandin cheney o neil
Industry: Professional Servicesllm

Discovered: Dec 24, 2025
Breach occurred: Dec 20, 2025 – Dec 24, 2025
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 11, 2025
Affected individuals: 12state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Notified law enforcement
Conducted a thorough investigation
Changed network passwords
Reviewed our policies and procedures
Providing you access to free credit monitoring and identity protection services
Changes made: Changed network passwords
Reviewed our policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/normandin-cheney-oneil-20260320.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 20, 2026
Raw hash: a6414697dd42a025caff50ccb1487461bcbf6947e32ab708f879d07a4bfb376e

Reporting entityCipriani

Victim entityNormandin, Cheney & O'Neil PLLC

Incidentdiscovered Dec 24, 2025

Stated responseNotified law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov