The Russian hackers behind the massive SolarWinds cyber espionage campaign broke into the email accounts of some of the most prominent federal prosecutors’ offices around the US last year, the Justice Department said. The department said 80 per cent of Microsoft email accounts used by employees in the four US attorney offices in New York were breached. All told, the Justice Department said 27 US attorney offices had at least one employee’s email account compromised during the hacking campaign. The Justice Department said in a statement on Friday that it believes the accounts were compromised from May 7 to December…