Citibank N.A.
bd_4ef0bedccde58623 · schema v1 · pii pii-v2
Full breach record for Citibank N.A. →51 incidents on fileCitibank, N.A. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2017-04-20. 2 Massachusetts residents were affected. The report records the breach type as electronic.
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Incident timeline — partial
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Breach window unknown
Apr 20, 2017
Filed
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Corroborated · see linked filings
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Linked disclosures
Why this link?Regulatory filings (4) · sorted by filing gap
- Massachusetts State AGbd_178ca65bb5fcf2812017-04-18 · +2dVerified
- Massachusetts State AGbd_6dddf4baedcd50172017-04-18 · +2dVerified
- Montana State AGbd_1700777c7280a0462017-04-11 · +9dCandidate
- New Hampshire State AGbd_bb5a65fa71727a8f2017-04-11 · +9dVerified
Filing propagation · 5 filings · 3 states
View merged incident ↗Pattern: first filing Apr 11 (MT), last Apr 20 (MA) — a 9-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.