The Internet has brought pleasure and benefits to our lives since it was invented. While this fact is true, the Internet allows strangers “called hackers” to spy, hack, and enter our private world in networks. According to Networkworld, a website was hacked every five seconds. Hacking is a taboo operation through stealthy access. During hacking, hackers steal users' data and their money. Furthermore, they can destroy their computer or their important projects and create a strong link between their computer and the user's to access them whenever they want. To prevent hackers from infiltrating computers, users should install security programs, have secure accounts, and avoid sharing personal information. An effective solution to prevent hacker attacks is to install security programs. There are two types of security programs. The first type is an antivirus program that protects computers by checking every file and website, and if it finds a virus, it will fix it immediately. For example, Antivirus and Avira Antivirus Personal are such valuable programs that rea...