Japan’s National Police Agency joined the United States, Australia and Germany on September 18 to publicly attribute a sweeping campaign of crypto thefts to WaterPlum, a North Korea-backed cyber group also known as Contagious Interview. The joint advisory says the group infected at least 30,000 machines across more than 100 countries, stole around 7,000 crypto wallet records and moved at least about 1.7 billion yen in digital assets, according to the official announcement.

A Coordinated Four-Nation Attribution

The statement was issued jointly by Japan, the United States, Australia and Germany, and places WaterPlum under the command of the 313th General Bureau of the Korean Workers’ Party Central Committee’s Military Industry…