A ransomware group calling itself ShinyHunters claims to have carried out an attack on Jack Henry & Associates, with the claim dated August 28, 2026. This claim comes from a listing on the group’s own leak site, which was tracked by ransomware.live, a security research platform that monitors ransomware groups’ public leak sites. At this time, the claim has not been independently verified, and Jack Henry & Associates has not issued a public confirmation.
What we know — and don’t
- ShinyHunters posted a claim referencing Jack Henry & Associates on its leak site, dated August 28, 2026.
- Jack Henry & Associates operates in the financial technology and services sector, providing technology to banks and credit unions.
- The specific data types the group claims to have obtained have not been disclosed or confirmed by any party.
- No regulator or official body has confirmed this incident as of this writing.
- Jack Henry & Associates has not issued a public statement addressing this claim.
What should you do if you have an account with this company?
- Change your account password as a precaution, and avoid reusing that password on other sites.
- Enable two-factor authentication (2FA) on any accounts tied to this company or related financial services, if you have not already done so.
- Watch closely for phishing emails, texts, or calls that reference this company or ask you to verify account details — attackers often exploit uncertainty following claims like this.
- Consider signing up for an identity monitoring service like a service like Aura or LifeLock to get alerted if your personal information appears in places it shouldn’t.
- Review recent account statements and activity for anything unfamiliar, and report discrepancies promptly.
- Avoid clicking links in unsolicited messages; instead, navigate directly to the company’s official site if you need to check your account.
BreachLetter will update this article if Jack Henry & Associates confirms this incident, if new details emerge, or if the matter is officially reported to regulators.