FEDERALItem 8.01 · voluntaryHackingVulnerability ExploitZero-DaySupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTMediumActive
PlainsCapital Bank
bd_651ddcbce2bbcb28 · schema v1 · pii pii-v1
Full breach record for PlainsCapital Bank →Hilltop Holdings Inc. disclosed that PlainsCapital Bank, a wholly owned subsidiary, was impacted by a third-party vendor incident involving a zero-day vulnerability in the MOVEit Transfer Application. The vendor confirmed that customer data, including SSNs and account numbers, was likely obtained. The company launched an investigation and plans to offer credit monitoring and identity restoration services to affected customers.
SEC clockMateriality determined Jul 3, 2023 → Filed Jul 3, 20230d ✓ SEC 4-day OK6 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.
This filing is one of 3 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- bd_6a16364945d087dbCalifornia State AGfiled 2023-07-14(11d gap)Candidate
- bd_d0fa7306adbe4d64Montana State AGfiled 2023-07-14(11d gap)Verified
Source provenance
- Source URL
- https://www.sec.gov/Archives/edgar/data/1265131/000110465923077393/
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
- Filed at
- Jul 3, 2023
- Raw hash
- 58c2e6797415c06cdcec5041b724582484a591ccb08ea965655a052079c01ffc
Source filing
AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.
Reporting entity
- Name
- Hilltop Holdings Inc.norm: hilltop holdings
- SEC CIK
- 0001265131
Victim entity
- Name
- PlainsCapital Banknorm: plainscapital bank
Incident
- Discovered
- Jun 27, 2023
- Materiality determined
- Jul 3, 2023
- Notification sent
- —
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_GOVERNMENTFINANCIAL_ACCOUNT
- Attack vector
- Third-Party / Supply Chain
- MITRE ATT&CK
- T1195 Supply Chain CompromiseT1190 Exploit Public-Facing Application
- Threat actor
- ExternalFinancial
- Regulator citations
- ensuring that appropriate notifications are provided to impacted customers and to regulatory agencies as required by federal and state law
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 6 days(6 days from discovery to filing)
- Compliance flags
- SEC 4-day OK · 0d
- 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.
- Clock breakdown
Statute Window Elapsed Threshold Status SEC Materiality determined: Jul 3, 2023→ Filed: Jul 3, 20230d cal. 4 business days SEC 4-day OK
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.