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Data Breaches Reported at Stellar Health Group and Houston Eye Associates

Data Breaches Reported at Stellar Health Group and Houston Eye Associates

First seen 22 May 2026, 15:38 UTC

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ThreatCluster AI
ThreatCluster May 23, 2026 at 15:37 UTC
  • Stellar Health Group and Houston Eye Associates are investigating potential data breaches.
  • Cyberattacks attributed to Qilin and Cmdorganization occurred on May 17 and May 14, 2026, respectively.
  • Both organizations have not confirmed the breaches, and legal investigations are underway.

Stellar Health Group and Houston Eye Associates have reported potential data breaches. Stellar Health Group, managing care facilities in Massachusetts and Vermont, may have had sensitive information compromised due to a cyberattack attributed to threat actor Qilin on May 17, 2026. Meanwhile, Houston Eye Associates, serving 18 locations in Greater Houston, is facing a similar situation after a cyberattack claimed by Cmdorganization on May 14, 2026. Both organizations have not yet confirmed the breaches, and investigations are ongoing. Attorneys are seeking individuals affected by these incidents to potentially file class action lawsuits. The extent of the data compromised in both breaches remains unclear, but affected individuals may seek compensation for privacy loss and related costs.

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Timeline

2026-05-14
Houston Eye Associates cyberattack reported
Cmdorganization claimed responsibility for a cyberattack affecting patient and employee data. The breach has not been confirmed by the organization.
Classaction
2026-05-17
Stellar Health Group cyberattack reported
Threat actor Qilin was identified as responsible for a cyberattack potentially compromising sensitive information. The organization has yet to confirm the breach.
Classaction
2026-05-20
Legal investigation announced for Houston Eye Associates
Attorneys began seeking affected individuals for a possible class action lawsuit regarding the data breach.
Classaction
2026-05-22
Legal investigation announced for Stellar Health Group
ClassAction.org attorneys are looking for individuals affected by the potential data breach to discuss possible legal actions.
Classaction

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