HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountMediumContained

Harvey & Martin, PLLC

bd_03ea153ad4aa09bd · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 23, 2026

To disclose

—

Affected

111state residents only

Linked

2 filings

Confidence

68%

Full breach record for Harvey & Martin, PLLC →2 incidents on file

Harvey & Martin, PLLC notified Massachusetts residents that unauthorized access to client files occurred, potentially exposing names, SSNs, and bank account numbers. The firm discovered the incident via IRS e-file rejection notices, engaged cybersecurity professionals, and offered 24 months of credit monitoring to 111 affected residents.

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Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Jun 23, 2026

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 2 about the same incident.View merged incident

A leak claim by safepay about this victim predates this filing by 221 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesafepaybd_7eb21384ce77f8402025-11-14 · +221dCandidate

Name: Harvey & Martin, PLLC
norm: harvey martin
Domain: hmpccpa.com

Name: Harvey & Martin, PLLC
norm: harvey martin
Domain: hmpccpa.com
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: Jun 11, 2026
Affected individuals: 111state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Contacted the IRS and worked with their anti-fraud program
Initial access: valid_credentials

During the incident: Contacted the IRS and worked with their anti-fraud program
Took security remediation steps including password resets
Expanded use of multifactor authentication
Added technical security protections on top of existing safeguards
Undertaken investigation by experienced cybersecurity professionals
Offering 24 months of credit monitoring services
Changes made: Reviewing policies, procedures, and processes to reduce the likelihood of a similar event in the future
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

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://www.mass.gov/doc/2026-1019-harvey-martin-pllc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 23, 2026
Raw hash: dd1ac4525032c4052fe795432e4ce0621bde9bf3be07ec47d9797bcfa8b3c7e2

Linked disclosures

Ransomware claims (1)

Reporting entityHarvey & Martin, PLLC

Victim entityHarvey & Martin, PLLC

IncidentUnauthorized Access

Stated responseContacted the IRS and worked with their anti-fraud program

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov