Self-Proclaimed “BianLian Group” Uses Physical Mail to Extort Organizations

On or around February 25, 2025, a threat actor claiming to be associated with the BianLian ransomware group began using the United States Postal Service (USPS) to send physical ransom letters to executives, primarily within the US healthcare sector. Notably, when compared with historical BianLian communications and ransom notes, the physical ransom letters are drastically … Self-Proclaimed “BianLian Group” Uses Physical Mail to Extort Organizations

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Article Link: Self-Proclaimed "BianLian Group" Uses Physical Mail to Extort Organizations | Arctic Wolf