With computer technologies and the internet has connected the world together with the ability to communicate with people in different countries. As a society, we have become very dependent on computers and when the systems go down we cannot function as well, businesses cannot conduct their business. With the internet connecting the world together, it gives concerns for cyber-terrorism and cyber-attacks. Cyberterrorism is when a group attacks a target with intention of causing harm and further political, social, religious, or other goals. Cyber-attacks are attacks on a target system carried about by different people and may not be associated with a terrorist group. They may be trying to steal information or corrupt data. There are many ways to carry out cyber-attacks such as malware, botnets, viruses, denial of service (DoS) accounts and many other types of attacks. Cybersecurity is also known as information security which applies to devices such as computers, laptops, mobile devices, networks, and including the internet to include preventing unauthorized access, modify, or destroying data. Department of Homeland Security plays roles in securing the federal government and helping to secure a cyber-ecosystem by helping with investigations and arrest of cyber criminals, releasing cyber alerts about threats, and educate the public and stay safe online. Cybersecurity includes evaluating networks and systems, information policies for organization, incident response team,