Stormous Executes Major Ransomware Attack on Hy-Vee Inc.

Ransomware

Summary

On June 23, 2025, the ransomware group Stormous claimed responsibility for an attack targeting
Hy-Vee Inc. (hy-vee.com), a U.S.-based supermarket chain.
According to the threat actor’s post, they have compromised Atlassian accounts and extracted sensitive data.


Incident Report

FieldDetails
TargetHy-Vee Inc.
Domainhy-vee.com
CountryUSA
Attacking GroupStormous
Date ReportedJune 23, 2025
Threat Actor Statement“Internal documents, infrastructure diagrams, employee data, training materials, and technical information related to several operational systems were extracted.”

Recommendations

  • Monitor your domains and email addresses for exposure using reputable threat intelligence tools.
  • Conduct a full compromise assessment and incident response drill internally.
  • Verify backups and ensure they are offline and ransomware-resistant.
  • Educate staff on phishing, social engineering, and lateral movement techniques used by groups like Qilin.
  • Engage with cyber forensics and legal counsel before initiating contact with threat actors.

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Disclaimer

The MSPDarkIntel team does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information.
All breach data reported here is sourced from publicly available threat intelligence feeds for awareness and early-warning purposes only.
Our goal is to inform organizations of emerging threats so they can take timely defensive action.

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