HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedIdentity (basic)Financial accountLowContained

Leader Bank, National Association

bd_abc4a76a5ea1e65d · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 3, 2023

Filed

Aug 30, 2023

To disclose

27 days

Affected

Not disclosed

Linked

4 filings

Confidence

66%

Full breach record for Leader Bank, National Association →9 incidents on file

Leader Bank, N.A. notified consumers of a data breach involving its vendor, Progress Software, which used MOVEit Transfer software. Unauthorized access occurred between May 27-31, 2023, exposing customer names and bank account numbers. Leader Bank engaged in investigation, patched systems, and provided two years of complimentary identity monitoring via Kroll.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday27 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 68 days

discovery → filing · 27 days

May 27, 2023

Begins

Aug 3, 2023

Discovered

Aug 30, 2023

Filed

vs. sector median

5 wks faster

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

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_2cb3a5106f844a232023-08-30Candidate
Massachusetts State AGbd_70f048fb88f93d312023-08-30Verified
Maine State AGbd_8167850bea03b9e72023-08-30Verified

Name: Leader Bank, National Association
norm: leader bank national

Name: Leader Bank, National Association
norm: leader bank national
Industry: Financial Servicesllm

Discovered: Aug 3, 2023
Breach occurred: May 27, 2023 – May 31, 2023
Undetected for: 68 daysoccurrence → discovery
Materiality determined: Aug 30, 2023
Notification sent: Aug 30, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Financial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Notified regulatory bodies as required
Third party: via Progress Software
Initial access: supply_chain

During the incident: Vendor took immediate steps to launch a comprehensive investigation
Leader Bank reviewed all files to identify individuals affected
Leader Bank notified regulatory bodies as required
Vendor remediated all technical vulnerabilities and patched systems
Vendor mobilized a technical response team to examine relevant MOVEit Transfer systems
Leader Bank implemented enhanced monitoring of any account number impacted
Arranged for complimentary free identity monitoring service through Kroll for two years
Changes made: Vendor remediated all technical vulnerabilities and patched systems in accordance with the MOVEit software provider’s guidelines
Vendor mobilized a technical response team to examine the relevant MOVEit Transfer systems and ensure that there were no further vulnerabilities
Leader Bank implemented enhanced monitoring of any account number impacted by this incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 days from discovery to filing)
Compliance flags: VT AG >14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGAug 30 · first

Massachusetts State AGAug 30 · first

Maine State AGAug 30 · first

Vermont State AGAug 30 · 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.

Source URL: https://ago.vermont.gov/document/2023-08-30-leader-bank-progress-software-moveit-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 30, 2023
Raw hash: 4420fc27698f7023c1f42076933dd5a155c569508de57a50a1aabb7612a7c8a6

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityLeader Bank, National Association

Victim entityLeader Bank, National Association

Incidentdiscovered Aug 3, 2023

Stated responseVendor took immediate steps to launch a comprehensive investigation

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov