Intelligence, Marcel Lettre, and the Commander of the United States Cyber Command, Admiral Michael Rogers, submitted joint testimony to the Committee on Armed Services of the Senate that stated As of late 2016 more than 30 nations are developing offensive cyber attack capabilities and that Protecting critical infrastructure, such as crucial energy, financial, manufacturing, transportation, communication, and health systems, will become an increasingly complex national security challenge. . (5) There is significant evidence that hackers affiliated with foreign governments have conducted cyber operations targeting companies and critical infrastructure sectors in the United States as the Department of Justice has announced that— (A) on March 24, 2016, seven Iranians working for Iran’s Revolutionary Guard Corps-affiliated entities were indicted for conducting distributed denial of service attacks against the financial sector in the United States from 2012 to 2013