Tradier
bd_df0f6f8b130e129c · schema v1 · pii pii-v2
Full breach record for Tradier →Tradier Brokerage, Inc. notified customers of a data incident involving its third-party vendor, Etna Software Corporation. On September 3, 2026, Tradier became aware that an attack against Etna may have resulted in unauthorized access to customer data, including full name, address, phone number, and possibly Social Security numbers. The breach date is listed as August 28, 2026. Tradier is reviewing affected accounts and offering credit monitoring.
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Incident timeline
Aug 28, 2026
Begins
Sep 3, 2026
Discovered
Oct 27, 2026
Filed
vs. sector median
on median
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- Texas State AGbd_0a2b7e03c4773cfd2026-10-28 · +1dCandidate
Filing propagation · 2 filings · 2 states
View merged incident ↗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.