A federal indictment charged three North Korean computer programmers with participating in a wide-ranging criminal conspiracy to conduct a series of destructive cyberattacks, to steal and extort more than $1.3 billion of money and cryptocurrency from financial institutions and companies, to create and deploy multiple malicious cryptocurrency applications, and to develop and fraudulently market a blockchain platform.

A report by NTT Security has warned that organizations could be targeted by malware designed for mining cryptocurrency.