Until 2015, Lazarus Group cyber activities primarily focused on South Korean and U.S. governments and financial organizations, including destructive attacks on South Korean banking and media sectors in 2013 and the highly publicized attack on Sony Pictures Entertainment in 2014. (recordedfuture.com)
Hackers used malware similar to that described in the FBI report to launch attacks on businesses in highly destructive attacks in South Korea and the Middle East, including one against oil producer Saudi Aramco that knocked out some 30,000 computers. (entrepreneur.com)
The FBI report did not say how many companies had been victims of destructive attacks. (entrepreneur.com)