The leak was alarming within the Pentagon that it referred the matter to the Department of Justice, which has opened a criminal investigation into the disclosure of the documents.
The leak was alarming within the Pentagon that it referred the matter to the Department of Justice, which has opened a criminal investigation into the disclosure of the documents.
U.S. officials have briefed allies and partners, including Canada, about the leak, which reportedly show attempts by Russia to hack Canada's natural gas infrastructure.