MalwareFinancial ServicesTechnologyFinanceRansomwareData EncryptedTargetedIdentity (basic)Government IDMediumContained

American Bank Systems

bd_f2c0b601d3bd3b91 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 22, 2020

Filed

Dec 17, 2020

To disclose

8 weeks

Affected

2state residents only

Confidence

67%

American Bank Systems (ABS), a provider of banking software, disclosed a cyber incident on October 22, 2020, where systems were infected with malware, disrupting operations and leading to unauthorized access to customer documents. ABS reset passwords, enhanced monitoring, and offered credit monitoring services to affected individuals.

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Incident timeline

discovery → filing · 8 weeks / 56 days

Oct 22, 2020

Discovered

Dec 17, 2020

Filed

vs. sector median

1 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

Name: Mesa Financial Corporation (American Banking Systems)
norm: mesa financial corporation american banking

Name: American Bank Systems
norm: american bank systems
Industry: Financial ServicesllmTechnologyllm

Discovered: Oct 22, 2020
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial

During the incident: Resetting ABS user passwords
Reviewed existing security policies
Implemented additional measures, including advanced endpoint monitoring
Offering 12 to 24 months of credit monitoring and identity theft protection services through TransUnion
Changes made: Implemented advanced endpoint monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 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/mesaSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 17, 2020
Raw hash: b58b1f4b81b0cfbec784d2aa942f4d17c86a66bdc2bbaccf0205d1454f344951

Reporting entityMesa Financial Corporation (American Banking Systems)

Victim entityAmerican Bank Systems

Incidentdiscovered Oct 22, 2020

Stated responseResetting ABS user passwords

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov