Course Description


Computer Virus - Definition, Types, Spread and Prevention


Computer viruses are malicious software programs designed to spread from one computer to another and cause damage. They can infect a computer system without the user's consent or knowledge, and can disrupt normal operations, steal sensitive information, or render the system unusable. Understanding the types, spread, and prevention of computer viruses is essential for maintaining the security of your digital devices.

Definition of Computer Viruses: A computer virus is a type of malware that replicates by inserting copies of itself into other computer programs or files. Once activated, it can perform various harmful actions on the infected system.

Types of Computer Viruses: There are several types of computer viruses, including file infectors, macro viruses, boot sector viruses, and polymorphic viruses. Each type has its own method of infection and payload.

Spread of Computer Viruses: Computer viruses can spread through email attachments, infected software downloads, malicious websites, and removable media such as USB drives. They can also propagate through network connections and shared files.

Prevention of Computer Viruses: To prevent computer viruses, it is essential to use updated antivirus software, avoid clicking on suspicious links or downloading files from untrusted sources, and regularly update your operating system and applications. Implementing strong security practices and educating