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MedicSolution hit by ransomware attack linked to KillSec

Incident
First reported
Last updated
Happening score
H score 24
1 unique sources, 1 articles

Summary

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The KillSec group said it carried out a ransomware attack against MedicSolution, a Brazilian healthcare software provider, and threatened to leak sensitive data if the ransom is not paid. The stolen set is reported at 34GB+ across 94,000+ files. The exposure matters because the files include lab results, X-rays, and patient images. The compromise also raises risk for clinics and medical practices that rely on MedicSolution's cloud services.

Timeline

  1. 15.09.2025 23:28 1 articles · 8mo ago

    KillSec claims MedicSolution attack

    Initial Disclosure

    KillSec claimed responsibility for an attack on MedicSolution, a Brazilian healthcare software provider, and threatened to leak sensitive healthcare data unless a ransom demand was met.

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  2. 15.09.2025 23:28 2 articles · 8mo ago

    Resecurity details MedicSolution exposure and data theft

    Technical Analysis Update

    Resecurity said the MedicSolution intrusion involved data exfiltration from insecure AWS S3 buckets, with more than 34GB across more than 94,000 files including lab results, X-rays, unredacted patient images, and records of minors; the exposure could date back several months, and affected patients were contacted even though none were aware their data had been compromised.

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