# Jack Henry reports voice-phishing breach affecting data at 10 banks

_Tuesday, September 1, 2026 at 7:57 PM EDT · Security · Latest · Tier 2 — Notable_

![Jack Henry reports voice-phishing breach affecting data at 10 banks — Primary](https://cryptonomist.ch/wp-content/uploads/2026/09/jack-henry-ransomware-attack.jpeg)

Jack Henry reported that a voice-phishing attack reached its internal corporate environment and resulted in the extraction of personally identifiable data tied to 10 of its 7,200 client banks, according to Cryptonomist. The company said client-facing systems, core banking platforms and daily processing services were not accessed or disrupted. It is offering two years of credit monitoring to affected institutions for their accountholders, hired a third-party forensic firm and is working with federal law enforcement.

## Sources

- [en.cryptonomist.ch](https://en.cryptonomist.ch/2026/09/02/jack-henry-ransomware-attack/)

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Canonical: https://techandbusiness.org/newswire/YKtMpc4DN-aQ4vEisS6d13
Retrieved: 2026-09-02T04:56:59.291Z
Publisher: Tech & Business (techandbusiness.org)