KillSec Ransomware Attacks MedicSolution, Compromises Healthcare Data in Brazil
338/68 Friday, September 12, 2025 The KillSec ransomware group has claimed responsibility for a cyberattack against MedicSolution, a Brazilian healthcare software provider, threatening to leak stolen data if negotiations are not initiated. According to a report by Resecurity, the incident stemmed from data exfiltration via an unsecured AWS S3 bucket, which had been left exposed […]
