JPMorgan Chase Bank, National Association
bd_11d6effbd2fe355f · schema v1 · pii pii-v1
Full breach record for JPMorgan Chase Bank, National Association →93 incidents on fileJPMorgan Chase Bank, N.A. notified Massachusetts residents that a package containing checks and transaction paperwork (including names, addresses, and account numbers) went missing from a courier between a Foster City, CA branch and a processing facility. The incident occurred around March 10, 2026. The bank is working with the courier to locate the package and has opened a claim. No indication of inappropriate use was found. Affected individuals were advised to place fraud alerts or security freezes on their credit files.
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Incident timeline
Mar 10, 2026
Begins
May 6, 2026
Filed
Linked disclosures
Why this link?Regulatory filings (5) · sorted by filing gap
- Massachusetts State AGbd_497aaeadd482a2592026-05-15 · +9dCandidate
- Massachusetts State AGbd_3cf8d0ee938cfeb22026-05-22 · +16dCandidate
- Indiana State AGbd_6a1ee0f106d534032026-06-02 · +27dVerified
- Massachusetts State AGbd_dbf47c92009868362026-07-02 · +57dCandidate
Show 1 more filing ↓Show fewer ↑up to 85d gap
- Massachusetts State AGbd_9f80e2fcd69053b82026-07-30 · +85dCandidate
Filing propagation · 6 filings · 2 states
View merged incident ↗Pattern: first filing May 6 (MA), last Jul 30 (MA) — a 85-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.