HackingProfessional ServicesProfessional ServicesStolen CredentialsCapture Stored DataData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

MBE CPAs

bd_0854a7d7c693b519 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 18, 2024

Filed

Jun 6, 2025

To disclose

14 months

Affected

1state residents only

Linked

7 filings

Confidence

66%

Full breach record for MBE CPAs →2 incidents on file

MBE CPAs, LLP reports a supplemental data incident discovered on April 18, 2024, involving unauthorized access to employee and client data. One additional New Hampshire resident was identified. Impacted data includes SSNs, bank accounts, and health insurance info. MBE engaged forensic investigators, enhanced security controls (MFA, patching, monitoring), and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 14 months / 414 days

Apr 18, 2024

Discovered

Jul 22, 2024

Scope determined

Jun 6, 2025

Filed

vs. sector median

+40 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Maine State AGbd_d5c9e4424e2ef5592025-06-09 · +3dVerified
Nebraska State AGbd_2b4e0c5dd8dc981d2025-05-28 · +9dVerified
New Hampshire State AGbd_a22a32d5848a8d412025-05-19 · +18dVerified
Nebraska State AGbd_2ba5a68ad1b6896c2025-05-13 · +24dVerified

Show 2 more filings ↓up to 24d gap

Massachusetts State AGbd_6f7b298888802b3b2025-05-13 · +24dVerified
Montana State AGbd_cda94f21ce7d38d52025-05-13 · +24dCandidate

Name: MBE CPAs
norm: mbe cpas

Name: MBE CPAs
norm: mbe cpas
Industry: Professional Servicesllm

Discovered: Apr 18, 2024
Materiality determined: Jul 22, 2024
Notification sent: Jun 9, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau
Initial access: valid_credentials

During the incident: Disconnected all access to the network
Engaged a specialized third-party cybersecurity firm to assist with securing the environment, as well as, to conduct a comprehensive forensic investigation
Engaged a third-party data mining firm to conduct a comprehensive review of the data
Mailed notice letters to affected individuals
Offered complimentary credit monitoring services
Changes made: Sentinel One/Huntress with a 3-year proactive contract that includes monitoring and alerting
Multifactor authentication for RMM tool and where supported
Software patching
Updated password policies and requirements
Implemented audits for users, group policies, and scheduled tasks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 months(414 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 5 states

View merged incident ↗

Nebraska State AGMay 13 · first

Massachusetts State AGMay 13 · first

Montana State AGMay 13 · first

New Hampshire State AG+6d

Nebraska State AG+15d

New Hampshire State AG+24d · this page

Maine State AG+27d

Pattern: first filing May 13 (NE), last Jun 9 (ME) — a 27-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/wilson-elser-moskowitz-edelman-dicker-20250606.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 6, 2025
Raw hash: 88840f2ffe9a8e211e38b5f3dc4c49bf794f447f4f74fdf05f39dd0bce2afaff

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMBE CPAs

Victim entityMBE CPAs

Incidentdiscovered Apr 18, 2024

Stated responseDisconnected all access to the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov