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Mather & Co CPAs LLC
bd_41345fcd98808ad0 · schema v1 · pii pii-v1
Full breach record for Mather & Co CPAs LLC →Mather & Co CPAs LLC reported a data breach to the Indiana Attorney General. The breach occurred on 2026-02-26 and was reported on 2026-06-29. 17 Indiana residents were affected. 281 individuals affected in total.
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Incident timeline
Feb 26, 2026
Begins
Jun 29, 2026
Filed
Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed281 affectedView incident
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.