Mercadien, P.C., CPAs
bd_b06b2f75cc90e445 · schema v1 · pii pii-v1
Mercadien, P.C., CPAs, a professional services firm, disclosed a data incident affecting personal information (names and financial account numbers) of individuals. Unauthorized access occurred between September 17, 2025, and October 9, 2025. The firm discovered the incident on November 7, 2025, engaged forensic experts, notified law enforcement, and provided 12 months of credit monitoring. No evidence of misuse was found at the time of notification.
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Incident timeline
Sep 17, 2025
Begins
Nov 7, 2025
Discovered
Feb 17, 2026
Filed
vs. sector median
4 wks faster
Linked disclosures
Why this link?Regulatory filings (8) · sorted by filing gap
- Indiana State AGbd_5a136d8dad7a13462026-02-17Verified
- Nebraska State AGbd_9581ab095364e27d2026-02-17Verified
- South Carolina State AGbd_bb8b76494cae40c62026-02-23 · +6dVerified
- Texas State AGbd_7b787e3dbbd82d8e2026-02-24 · +7dVerified
Show 4 more filings ↓Show fewer ↑up to 153d gap
- New Hampshire State AGbd_6a472f77725ed7622026-01-05 · +43dVerified
- Maine State AGbd_be4f63906a17f7282025-12-31 · +48dCandidate
- Massachusetts State AGbd_e681ed6e473e0a2f2025-12-24 · +55dVerified
- New Hampshire State AGbd_aea05dfcc088a1bf2026-07-20 · +153dVerified
Filing propagation · 9 filings · 8 states
View merged incident ↗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
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.