UnknownFinancial ServicesFinanceFinancial accountLow

Mercadien PC Certified Public Accountants

bd_e681ed6e473e0a2f · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Dec 24, 2025

To disclose

—

Affected

Not disclosed

Linked

9 filings

Confidence

95%

Full breach record for Mercadien PC Certified Public Accountants →

Mercadien PC Certified Public Accountants Company reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-12-24.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Dec 24, 2025

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 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Maine State AGbd_be4f63906a17f7282025-12-31 · +7dCandidate
New Hampshire State AGbd_6a472f77725ed7622026-01-05 · +12dVerified
Indiana State AGbd_5a136d8dad7a13462026-02-17 · +55dVerified
Nebraska State AGbd_9581ab095364e27d2026-02-17 · +55dVerified

Show 4 more filings ↓up to 208d gap

Delaware State AGbd_b06b2f75cc90e4452026-02-17 · +55dVerified
South Carolina State AGbd_bb8b76494cae40c62026-02-23 · +61dVerified
Texas State AGbd_7b787e3dbbd82d8e2026-02-24 · +62dVerified
New Hampshire State AGbd_aea05dfcc088a1bf2026-07-20 · +208dVerified

Name: Mercadien PC Certified Public Accountants
norm: mercadien pc certified public accountants

Name: Mercadien PC Certified Public Accountants
norm: mercadien pc certified public accountants
Industry: Financial Servicesregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Financial account
Data elements: Financial account number
Stated not affected: Social Security numberMedical informationDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

Massachusetts State AGDec 24 · first · this page

Maine State AG+7d

New Hampshire State AG+12d

Indiana State AG+55d

Nebraska State AG+55d

Delaware State AG+55d

South Carolina State AG+61d

Texas State AG+62d

New Hampshire State AG+208d

Pattern: first filing Dec 24 (MA), last Jul 20 (NH) — a 208-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://www.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 24, 2025
Raw hash: c028e4dfab0c3bf55fd6eef1a3d99a5327635a5ed318dee2e9b9a146780e5d61

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityMercadien PC Certified Public Accountants

Victim entityMercadien PC Certified Public Accountants

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov