A look at Russian ransomware-as-a-service group Qilin, which has become the world's most active gang, likely run by 36-year-old Aleksey Mikhailovich Yakovtsev (Brian Krebs/Krebs on Security)

Brian Krebs / Krebs on Security: A look at Russian ransomware-as-a-service group Qilin, which has become the world's most active gang, likely run by 36-year-old Aleksey Mikhailovich Yakovtsev  —  The cybercrime group Qilin has emerged as the world's most active ransomware affiliate program, claiming at least 365 victim organizations in the past three months alone.