HackingStolen CredentialsTargetedPIIIDENTITY_BASICLowContained
Great Plains State Bank
bd_a1f0277f73be677e · schema v1 · pii pii-v1
Full breach record for Great Plains State Bank →Great Plains Bank Corporation notified consumers of a cybersecurity incident in November 2024 involving unauthorized access to IT systems. Personal information, including names and addresses, may have been accessed. The bank notified federal law enforcement, engaged cybersecurity specialists, and offered credit monitoring services.
Vermont clock✗ VT AG >45 bday16 weeks discovery → filing
⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
This filing is one of 4 about the same incident.View merged incident
A leak claim by akira about this victim predates this filing by 65 days.View originating leak claim
Linked disclosures
Why this link?Ransomware claims (1)
- bd_7cc0083ed1c871afLeak Siteakirafiled 2024-12-16(65d gap)Verified by operator
Regulatory filings (2) · sorted by filing gap
- bd_52460b6e57da1cf6Indiana State AGfiled 2025-02-19Verified
- bd_764fa9a67a26e324Maryland State AGfiled 2025-02-19Candidate
Source provenance
- Source URL
- https://ago.vermont.gov/document/2025-02-19-great-plains-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
- Feb 19, 2025
- Raw hash
- b2bfd0dea2d0b88f2357fe6bfe83358c8759bd14d3f6990349a0536065f8eda6
Reporting entity
- Name
- Great Plains State Banknorm: great plains state bank
- Domain
- gpbankok.com
Victim entity
- Name
- Great Plains State Banknorm: great plains state bank
- Domain
- gpbankok.com
Incident
- Discovered
- Nov 1, 2024
- Materiality determined
- —
- Notification sent
- Feb 19, 2025
- Affected individuals
- Not disclosed
- Data types
- PIIIDENTITY_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid Accounts
- Threat actor
- External
- Regulator citations
- Notified U.S. federal law enforcement
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 16 weeks(110 days from discovery to filing)
- Compliance flags
- VT AG >45 bdayLeak >30d
- Discovery-date grounding
- occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.