Defending Against UNC3944: Cybercrime Hardening Guidance from the Frontlines

From Mandiant: UNC3944, which overlaps with public reporting on Scattered Spider, is a financially-motivated threat actor characterized by its persistent use of social engineering and brazen communications with victims. In early operations, UNC3944 largely targeted telecommunications-related organizations to support SIM swap operations. However, after shifting to ransomware and data theft extortion in early 2023, they…

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