American Bank Systems
bd_72030e7531b5fdcc · schema v1 · pii pii-v1
Full breach record for American Bank Systems →4 incidents on fileAmerican Bank Systems notified Montana regulators of a cyber incident discovered on October 22, 2020. Malware infected systems, causing disruptions and unauthorized access to customer documents. ABS engaged forensic specialists, reset passwords, and implemented advanced endpoint monitoring. Affected data included names and other personal information of bank partners' customers. Credit monitoring services were offered.
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Incident timeline
Oct 22, 2020
Discovered
Dec 4, 2020
Filed
vs. sector median
5 wks faster
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- Maine State AGbd_c3ec34e08e92be192020-12-16 · +12dVerified by operator
- Maine State AGbd_603cbd25a6d1ad772021-01-21 · +48dVerified by operator
- Massachusetts State AGbd_72c53d1c544861072021-01-21 · +48dVerified
Filing propagation · 4 filings · 3 states
View merged incident ↗Pattern: first filing Dec 4 (MT), last Jan 21 (MA) — a 48-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.