Threatline

Sicarii Ransomware: Truth vs Myth

Key findings Introduction In December 2025, a previously unknown Ransomware-as-a-Service (RaaS) operation calling itself Sicarii began advertising its services across multiple underground platforms. The group’s name references the Sicarii, a 1st-century Jewish assassins group that opposed Roman rule in Judea. From its initial appearance, the Sicarii ransomware group distinguished itself through unusually explicit and persistent use of Israeli […] The post appeared first on . Sicarii Ransomware: Truth vs Myth Check Point Research