KillSec Ransomware

Pierluigi Paganini October 01, 2026
Operation KillSwitch: Police Dismantle KillSec Ransomware Group

Operation KillSwitch: Europol says the KillSec ransomware group, allegedly led by a 16-year-old, was dismantled after attacks on about 1,000 victims. Law enforcement seized control of KillSec ‘s dark web leak site, the Tor website the group used to threaten victims with publishing stolen files unless they paid up. That single action locked down more […]

Pierluigi Paganini September 10, 2025
KillSec Ransomware is Attacking Healthcare Institutions in Brazil

KillSec Ransomware claimed responsibility for a cyberattack on MedicSolution, a software solutions provider for the healthcare industry in Brazil. The KillSec Ransomware group has threatened to leak sensitive data unless negotiations are initiated promptly. According to threat intelligence reporting by Resecurity, the root cause of the incident – data exfiltration from insecure AWS S3 bucket. […]