In the United States government, cybersecurity regulation comprises directives from the Executive Branch and legislation from Congress that safeguards information technology and computer systems. The purpose of cybersecurity regulation is to force companies and organizations to protect their systems and information from cyber-attacks. Cyber-attacks include viruses, worms, Trojan horses, phishing, denial of service (DOS) attacks, unauthorized access (stealing intellectual property or confidential information) and control system attacks. There are numerous measures available to prevent cyber-attacks. Cyber-security measures include firewalls, anti-virus software, intrusion detection and prevention systems, encryption and login passwords. Federal and state governments in the United States hav