HackingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIDENTITY_BASICFINANCIAL_ACCOUNTLowContained
The Middlefield Banking Company
bd_2dee8d0f47f231bc · schema v1 · pii pii-v1
Full breach record for The Middlefield Banking Company →The Middlefield Banking Company experienced a data security incident on or about April 12, 2023. An unauthorized actor accessed systems and acquired files containing names and account numbers of employees and customers between April 11-12, 2023. The bank notified affected individuals on December 21, 2023, offering 12 months of credit monitoring. Federal law enforcement was notified.
Vermont clock✗ VT AG >45 bday36 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.
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
- bd_4752d46a27914d1aMontana State AGfiled 2023-12-21Candidate
- bd_719ea19c8e005680New Hampshire State AGfiled 2023-12-21Verified
- bd_cc811a129570fcd5California State AGfiled 2023-12-21Verified
- bd_d3345e13b9cb6e07SEC 8-Kfiled 2023-12-21Verified
Source provenance
- Source URL
- https://ago.vermont.gov/document/2023-12-21-middlefield-banking-company-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Dec 21, 2023
- Raw hash
- 07bec2c0e14052183e9c1afdc958b078b02febb3f8b6b3938e355cf8e5885317
Reporting entity
- Name
- The Middlefield Banking Companynorm: the middlefield banking
Victim entity
- Name
- The Middlefield Banking Companynorm: the middlefield banking
Incident
- Discovered
- Apr 12, 2023
- Materiality determined
- Nov 21, 2023
- Notification sent
- Dec 21, 2023
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICFINANCIAL_ACCOUNT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1119 Automated Collection
- Threat actor
- ExternalFinancial
- Regulator citations
- prompt and continued correspondence with federal law enforcement authorities
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 36 weeks(253 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.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.