Admiral Mike Rogers: Hackers are seeking detailed information on how industrial control systems work. The U.S. has stepped up its evaluation of critical infrastructure in the light of growing threats. Rogers calls for greater machine-to-machine sharing of information between private companies and the government. The government believes that nation-states are trying to obscure their activity by using criminal gangs as surrogates to conduct cyberattacks, he says. There is a need for a set of rules to be applied to cyberspace, Rogers says.”]