Research and provide the definition for each of the following Internet threats

1. Malware:Short for “malicious software”. In short terms: Any software that is intended by the developer to cause harm or exploit people’s computer.
2. Virus: A computer program that is designed to replicate itself by copying into other programs stored in computer, causing a program to operate incorrectly or corrupting a computers operation.
3. Worm:A computer virus attaches itself to a program or file enabling it to spread from one computer to another, leaving infections as it travels.
4. Trojan Horse: The Trojan horse, a software that appears to be useful but will actually do damage once installed or ran on your computer.
5. Rootkit: A rootkit is a software program designed to provide a user with administrator access to a computer without being detected.
6. Spyware: A type of malicious software installed on computers that collects information about users without their knowledge.
7. Pharming: Redirects users to false websites without them even knowing it.
8. Spam: Electronic junk mail. An unsolicited, often commercial, message transmitted through the Internet as a mass mailing to a large number of recipients.
9. Phishing: A type of online identity theft. It uses email and fraudulent websites that are designed to steal your personal data or information such as credit card numbers, passwords, account data, or other information.
10. Clickjacking: A malicious action such as stealing confidential information that is perpetrated against a user who is browsing a Web site. The user is "hijacked" by "clicking" a link on a contaminated Web page that executes the malware.
11.Browser Hijacking: A type of malware program that alters your computer's browser settings so that you are redirected to Web sites that you had no intention of visiting.
12.Mousetrapping: A technique used by some