Hilltop Holdings data breach at vendor exposes SSNs, account numbers of substantially all bank customers

Hilltop Holdings Inc.

Third-party vendor of PlainsCapital Bank confirmed June 27 that SSNs and account numbers for substantially all customers were likely taken via MOVEit zero-day vulnerability.
No indication of impact on Hilltop's own systems or customer access credentials; no material business interruption.
Bank will offer complimentary credit monitoring and identity restoration services to affected customers.
Company expects to incur expenses for response, remediation, and investigation; faces potential litigation and regulatory scrutiny.

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