Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Summit National Bank

bd_4967d7c063f597d8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 15, 2024

Filed

Aug 16, 2024

To disclose

13 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

65%

Full breach record for Summit National Bank →2 incidents on file

Summit National Bank notified consumers of a data breach where an unauthorized actor accessed an email account containing personal information (name, SSN, contact info, financial account data) for current and former customers. The incident was discovered on May 15, 2024, following suspicious activity. The bank engaged forensic specialists and is offering credit monitoring services.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday13 weeks 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 · 2 days

discovery → filing · 13 weeks / 93 days

May 13, 2024

Begins

May 15, 2024

Discovered

Aug 16, 2024

Filed

vs. sector median

+5 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_031ae01024263b8f2024-08-16Verified
Maine State AGbd_47b7e0fcd0cb02a02024-08-16Candidate
Montana State AGbd_8b42e95fdae448d42024-08-16Verified
New Hampshire State AGbd_bda5a21c57d9a4192024-08-16Verified

Name: Summit National Bank
norm: summit national bank

Name: Summit National Bank
norm: summit national bank
Industry: Financial Servicesllm

Discovered: May 15, 2024
Breach occurred: May 13, 2024 – May 16, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 16, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Engaged third-party forensic specialists
Offering credit monitoring and identity protection services through Experian
Changes made: Assess and further strengthen the security of our systems and computer environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(93 days from discovery to filing)
Compliance flags: VT AG >45 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 · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGAug 16 · first

Maine State AGAug 16 · first

Montana State AGAug 16 · first

New Hampshire State AGAug 16 · first

Vermont State AGAug 16 · 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/2024-08-16-summit-national-bank-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 16, 2024
Raw hash: 14ca3160671fe7aed3e3b47f17efe5f054d786c7f41d01dd485cc38c658c2be0

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entitySummit National Bank

Victim entitySummit National Bank

Incidentdiscovered May 15, 2024

Stated responseEngaged third-party forensic specialists

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov