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Ransomware Group

Killsec

KillSec originated as a hacktivist group aligned with the Anonymous movement before pivoting to ransomware operations in October 2023, officially launching a RaaS platform in June 2024 with an affiliate-friendly 88% revenue split, primarily targeting healthcare, financial services, and government sectors with over 250 documented victims as of late 2025.

Known victims286

Threat level

HIGH

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Known infrastructure

The following Tor hidden services have been associated with this group:

  • Kill Security 2.0
  • This site has been seized

These sites are malicious. Open them only from an isolated environment.

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