MalwareFinancial ServicesTechnologyFinanceRansomwareData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

Oakwood Bank (American Banking Systems)

bd_0116d0c3a4ce56a6 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 22, 2020

Filed

Dec 4, 2020

To disclose

6 weeks

Affected

4state residents only

Confidence

67%

Full breach record for Oakwood Bank (American Banking Systems) →

American Bank Systems (ABS) notified Oakwood Bank customers of a cyber incident discovered on October 22, 2020. ABS systems were infected with malware, leading to unauthorized access to customer documents containing PII. ABS took systems offline, engaged forensic specialists, reset passwords, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 6 weeks / 43 days

Oct 22, 2020

Discovered

Dec 4, 2020

Filed

vs. sector median

3 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4 affectedView incident

Name: American Bank Systems
norm: american bank

Name: Oakwood Bank (American Banking Systems)
norm: oakwood bank american banking
Industry: Financial ServicesllmTechnologyllm

Discovered: Oct 22, 2020
Materiality determined: —
Notification sent: —
Affected individuals: 4state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Took systems offline
Launched an investigation into the nature and scope of the incident
Working to investigate the source of the disruption
Confirm its impact on our systems
Restore full functionality to our systems
Resetting ABS user passwords
Offering you access to credit monitoring and identity theft protection services through TransUnion
Changes made: Reviewed existing security policies
Implemented additional measures, including advanced endpoint monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(43 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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.

Source URL: https://dojmt.gov/wp-content/uploads/oakSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 4, 2020
Raw hash: b2244a3d8ccfe26c84b3ea70fc325037cda856e1f71612e976e2ec0196f3174f

Reporting entityAmerican Bank Systems

Victim entityOakwood Bank (American Banking Systems)

Incidentdiscovered Oct 22, 2020

Stated responseTook systems offline

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov