Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsTargetedIdentity (basic)Financial accountLowContained

Marion County Bank

bd_03c93d2d6f7e7df8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 5, 2018

Filed

Jun 12, 2018

To disclose

10 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Marion County Bank →

Marion County Bank notified customers that a single employee email account was compromised on April 5, 2018. The attacker accessed a document containing customer names, addresses, and bank account numbers. No money was stolen, and no PINs or passwords were exposed. The bank implemented additional security measures and training.

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Incident timeline

discovery → filing · 10 weeks / 68 days

Apr 5, 2018

Begins

Apr 5, 2018

Discovered

Jun 12, 2018

Filed

vs. sector median

+1 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Marion County Bank
norm: marion county bank

Name: Marion County Bank
norm: marion county bank
Industry: Financial Servicesllm

Discovered: Apr 5, 2018
Breach occurred: Apr 5, 2018
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Initial access: phishing_link

During the incident: Implemented additional security measures and training
Changes made: Implemented additional security measures and training
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 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/Marion-County-Bank.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 12, 2018
Raw hash: ea6ca7d8a8dd266243ebac8d3dea671e92c9a8573bfb1b4ebcf7203790fc91a8

Reporting entityMarion County Bank

Victim entityMarion County Bank

Incidentdiscovered Apr 5, 2018

Stated responseImplemented additional security measures and training

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov