DisclosureLens
MalwareFinancial ServicesFinanceRansomwareSupply Chain (3P Vendor)Data ExfiltratedPIIIdentity (basic)LowContained

Oxford University Bank

bd_46920a8c46e4f260 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 22, 2020

Filed

Dec 4, 2020

To disclose

6 weeks

Affected

4state residents only

Linked

4 filings

Confidence

65%
Full breach record for Oxford University Bank

Oxford University Bank notified Montana residents of a data breach involving its vendor, American Bank Systems (ABS). On October 22, 2020, ABS systems were infected with malware, leading to unauthorized access to customer documents. Affected data included names and other personal information. ABS engaged forensic specialists, reset passwords, and implemented advanced endpoint monitoring. Credit monitoring services were offered to affected individuals.

Incident timeline

discovery → filing · 6 weeks / 43 days

Oct 22, 2020

Begins

Oct 22, 2020

Discovered

Dec 4, 2020

Filed

vs. sector median

3 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Indiana State AGDec 4 · first
Maine State AGDec 4 · first
Montana State AGDec 4 · first · this page

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.