U.S., U.K., Australia Sanction Russian REvil Hacker Behind Medibank Breach

Australia, the U.K., and the U.S. imposed financial sanctions and a travel ban on Alexander Ermakov for his alleged role in the REvil-linked 2022 Medibank ransomware attack that exposed roughly 9.7 million customers' personal and sensitive medical data; the sanctions criminalize providing assets (including cryptocurrency) to him and signal international pressure on Russia to restrict ransomware actors.