Federal prosecutors allege that three cybersecurity professionals, whose job was to help companies respond to ransomware attacks, instead carried out their own ransomware schemes against five U.S. businesses in 2023. Ryan Clifford Goldberg, Kevin Tyler Martin and an unnamed co–conspirator — all U.S. nationals — began using ALPHV, also known as BlackCat, ransomware to attack companies in May 2023, according to indictments and other court documents in the U.S. District Court for the Southern