Computer Virus
Computer Virus A virus or worm is a computer program that can spread across computer and networks by making copies of itself, usually without user’s knowledge Viruses can have harmful effects. These can range from displaying irritating to stealing data or giving other users control over your computer. How can virus infect computers...? A virus program has to be run before it can infect your computer. Viruses have ways of making sure that this happens. They can attach-themselves to other program or hide in code that is run automatically when you open certain types of files. Sometimes they can exploit security flaws in your computer’s operating system to run and to spread themselves automatically You might receive an infected file in a email attachment, in a download from the internet, or on a disk. As soon as the file is launched, the virus code runs. Then the virus can copy itself to other file or disk and make changes on your computer. 1.)