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KillSec Ransomware Attack on Brazilian Healthcare Software Provider MedicSolution

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1 unique sources, 1 articles

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The KillSec ransomware group has attacked MedicSolution, a Brazilian healthcare software provider. The attack resulted in the exfiltration of over 34GB of sensitive healthcare data, including lab results, X-rays, and patient records. The data was stolen from insecure AWS S3 buckets, exposing the information of over 94,000 files. The breach occurred over several months, and the group is threatening to leak the data unless a ransom is paid. The attack impacts numerous healthcare organizations and patients whose data is managed by MedicSolution. The group has also targeted healthcare institutions in the US, Peru, and Colombia. The attack highlights the risks associated with supply chain vulnerabilities and the need for robust cybersecurity measures.

Timeline

  1. 15.09.2025 23:28 1 articles · 16d ago

    KillSec Ransomware Group Attacks Brazilian Healthcare Software Provider MedicSolution

    On September 8, 2025, the KillSec ransomware group attacked MedicSolution, a Brazilian healthcare software provider. The attack resulted in the exfiltration of over 34GB of sensitive healthcare data from insecure AWS S3 buckets. The data includes lab results, X-rays, and patient records, affecting over 94,000 files. The group is threatening to leak the data unless a ransom is paid. The attack impacts numerous healthcare organizations and patients whose data is managed by MedicSolution. The group has also targeted healthcare institutions in the US, Peru, and Colombia.

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