U.S. needs offensive strategy to deter cyber attacks - NSA chief

By Elvina Nawaguna WASHINGTON (Reuters) - The United States needs to step up its offensive cyber capabilities, a top security official said on Thursday, warning that looming defense budget cuts could hurt efforts to bolster the nation's cyber military facilities and make the country more vulnerable. Admiral Mike Rogers, director of the National Security Agency and commander of U.S. Cyber Command, told the Senate Armed Services Committee that too many adversaries can attack the United States