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Worm – it is similar to a virus (a sub-class of a virus).A Trojan can take the form of an innocent-looking email attachment, download, etc.A Trojan may claim to get rid of your computer viruses but instead introduces viruses onto your computer.A Trojan misleads users of its true intent.Trojan horse(or Trojan) – a type of malware that looks harmless but can damage, disrupt, steal data on your computer.A virus can damage your computer by corrupting system files, sending spam, stealing data and personal information from your computer, destroying data, deleting everything on your hard drive, etc.internet messaging services, download infected files …), etc. A virus can spread from one computer to another through email, removable storage devices, networks (e.g.A virus can make a copy of itself over and over again.Computer virus – a specific type of malware that is designed to replicate (copy) and spread from one computer to another.Malware is a single term that refers to all the different types of threats to your computer safety such as virus, Trojan horse, worm, spyware, etc.Malware can gain unauthorized access to a computer and continuously run in the background without owner’s knowledge.Malware (short for malicious software) – a software that is designed to damage, disrupt, or infect computers.Hold those system hostages to collect ransom.Steal, change, exploit, sell or destroy data.Gain access to the personal information (credit card numbers, bank account, social insurance number, etc.).Some things a skilled hacker can do to your computer:.Hacker – refers to a person who can gain unauthorized access (break into) to a computer or a network to commit crimes.Security Issues on the Internet Internet security issuesĪlthough Internet led to many benefits, it also poses a greater potential for security threats. Search engines look for the keywords in your query. Type a few specific keywords or phrases to describe whatever you wish to search in the search bar.

Open a search engine in a web browser (such as Google in Chrome).Search the Internet using a web search engine Search engine – an Internet search engine is a web-based tool (a software) that is designed to search the content of web pages and to find particular information on the Internet. Perform a Search using a Web Search Engine More on electronic communicationĬlick play on the following audio player to listen along as you read this section.