HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Sciarabba Walker & Co., LLP

bd_1e70d17e8940c8d4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 22, 2025

Filed

Sep 26, 2025

To disclose

22 weeks

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for Sciarabba Walker & Co., LLP →

Sciarabba Walker & Co., LLP notified the NH AG of unauthorized access to two employee email accounts between April 5 and April 22, 2025. The actor accessed names and SSNs of 2 NH residents. Discovery was April 22, 2025. Notifications sent September 26, 2025. Response included credential resets, forensic investigation, and 12-month credit monitoring.

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Incident timeline

undetected · 17 days

discovery → filing · 22 weeks / 157 days

Apr 5, 2025

Begins

Apr 22, 2025

Discovered

Sep 26, 2025

Filed

vs. sector median

+5 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_01769339f34911942025-09-26Verified
Maine State AGbd_812c9905ea1562142025-09-26Candidate
Vermont State AGbd_b50d2f70f756033b2025-09-26Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Sciarabba Walker & Co., LLP
norm: sciarabba walker
Industry: Professional Servicesllm

Discovered: Apr 22, 2025
Breach occurred: Apr 5, 2025 – Apr 22, 2025
Undetected for: 17 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 26, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Providing written notice of this incident to relevant state regulators
Initial access: valid_credentials

During the incident: Disabled the accounts
Revoked active sessions
Reset the account’s credentials
Launched an investigation with the assistance of third-party cybersecurity and data privacy specialists
Undertook a comprehensive and time-intensive review of the email account’s contents with the assistance of third-party specialists
Worked to validate the results of this review and locate address information for potentially impacted individuals
Changes made: Reviewing existing security policies
Implemented additional cybersecurity measures to further protect against similar events moving forward
Providing access to complimentary credit monitoring services for twelve (12) months, through Epiq
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(157 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 ↗

Massachusetts State AGSep 26 · first

Maine State AGSep 26 · first

Vermont State AGSep 26 · first

New Hampshire State AGSep 26 · 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/sciarabba-walker-20250926.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 26, 2025
Raw hash: 46b933cdcf973ee42f15503556e7742361c53c72e310eaf184854c27f48142ca

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entitySciarabba Walker & Co., LLP

Incidentdiscovered Apr 22, 2025

Stated responseDisabled the accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov