Z2 Capital Partners, LLC
bd_869858ba52be8361 · schema v1 · pii pii-v1
Full breach record for Z2 Capital Partners, LLC →Z2 Capital Partners, LLC notified investors of a data security incident involving its outside counsel, Winston & Strawn. On March 25, 2026, a social engineering attack deceived a Winston employee into providing unauthorized access to their account. The actor accessed files related to Z2's work, containing investor PII including names, addresses, SSNs/Tax IDs, dates of birth, and bank routing/account numbers. Z2 was notified on April 28, 2026. The incident did not involve Z2's systems. Z2 is offering two years of complimentary credit monitoring via Experian.
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Incident timeline
Mar 25, 2026
Begins
Apr 28, 2026
Discovered
May 6, 2026
Filed
vs. sector median
7 wks faster
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.