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 […]
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Source: https://research.checkpoint.com/2026/sicarii-ransomware-truth-vs-myth/