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Milwaukee Symphony Orchestra
bd_acb6f001cda91872 · schema v1 · pii pii-v2
Full breach record for Milwaukee Symphony Orchestra →Milwaukee Symphony Orchestra Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2026-06-10 and was reported on 2026-08-03. 1 Indiana residents were affected. 359 individuals affected in total.
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Incident timeline
Jun 10, 2026
Begins
Aug 3, 2026
Filed
This filing is one of 3 filings about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- New Hampshire State AGbd_69a0b1a25f177b2b2026-08-07 · +4dVerified
- Massachusetts State AGbd_a02e16d07f7be7bb2026-08-07 · +4dCandidate
Filing propagation · 3 filings · 3 states
View merged 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.