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Data Breaches at J.B. Hunt and Swagelok Expose Employee Information

Data Breaches at J.B. Hunt and Swagelok Expose Employee Information

First seen 29 Oct 2026, 17:44 UTC • •

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ThreatCluster AI
ThreatCluster •October 29, 2026 at 19:16 UTC
  • •J.B. Hunt's breach involved 140,838 employee records and was reported by the hacker group 'Whitearmor'.
  • •Swagelok's breach resulted in the theft of 881 gigabytes of data, including sensitive personal information.
  • •Both companies face lawsuits alleging negligence in protecting employee data.

Two major companies, J.B. Hunt and Swagelok, are facing lawsuits due to data breaches that compromised sensitive employee information. J.B. Hunt reported a breach on October 23, 2026, involving a ransomware group named 'Whitearmor' that claimed to have accessed 140,838 employee records, including Social Security numbers and financial information. The company is being sued by three former employees seeking class action status, alleging negligence in safeguarding personal data. Meanwhile, Swagelok's breach, discovered on August 30, 2026, involved hackers stealing 881 gigabytes of data, including Social Security numbers. A former employee has filed a lawsuit against Swagelok, claiming the company failed to implement adequate security measures. Both companies are currently investigating the breaches and have not confirmed the full extent of the compromised data.

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Timeline

2026-08-30
Swagelok data breach discovered
Hackers stole 881 gigabytes of data, including Social Security numbers, prompting a lawsuit.
Cleveland
2026-10-23
J.B. Hunt data breach reported
A ransomware group claimed to have accessed 140,838 employee records, including PPI.
Nwaonline

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Common questions

What personal information was compromised?
Both breaches involved sensitive data such as names, Social Security numbers, and financial information.
Are there any confirmed exploitations in the wild?
The articles do not confirm any active exploitation of the stolen data at this time.
What actions are the companies taking?
Both J.B. Hunt and Swagelok are investigating the breaches and have implemented response protocols.