More recently, Obama signed an executive order to enable the US to impose sanctions on either individuals or entities that are suspected to be participating in cyber related acts. These acts were assessed to be possible threats to US national security, financial issues or foreign policy issues. U.S. authorities indicted a man over 92 cyberterrorism hacks attacks on computers used by the Department of Defense. A Nebraska-based consortium apprehended four million hacking attempts in the course of eight weeks. In 2011 cyberterrorism attacks grew 20%.