Three Russian nationals have been charged in a sweeping Russian cybercrime indictment tied to an alleged bulletproof hosting operation that U.S. authorities say enabled ransomware, malware, phishing, and other cybercriminal activities, resulting in more than $62 million in losses to victims across the United States and several other countries.

The U.S. Attorney's Office for the Northern District of Ohio announced the unsealing of the indictment following a seven-year investigation. Alongside the criminal charges, the U.S. Department of State is offering a reward of up to $10 million for information on foreign government-linked associates connected to the operation.

Three Russian Nation...