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What is a computer worm?

Last Updated on Tuesday, 17 November 2009 19:17 Written by Ruth Cheesley Sunday, 01 February 2009 19:19

A computer worm is a computer program which self-replicates using a network or internet connection to send copies of itself to other computers, without any user intevention. It does not need to attach itself to an existing program - as a virus does - and hence can, and does, cause havok on networks by using massive amounts of bandwidth rather than actually damaging files.

What is a macro virus?

Last Updated on Tuesday, 17 November 2009 19:17 Written by Ruth Cheesley Sunday, 01 February 2009 18:57

Most macro viruses are written in languages used by Microsoft Office applications, such as Word and Excel. These viruses are spread inside infected documents, and could also spread onto Macintosh computers as there are some versions of Microsoft Office for Mac OS. These viruses don't tend to spread by sending out infected emails, however a small number do.

What is a computer virus?

Last Updated on Tuesday, 17 November 2009 19:18 Written by Ruth Cheesley Sunday, 01 February 2009 18:28

A computer virus is a small program which is designed to spread from one computer to another (hence virus) and to interfere with computer operation. This can range from ejecting your CD drive to more severe consequences such as deleting or corrupting data, using your email application to spread itself and hence infect other computers, or even to erase everything on your hard drive.

Suffolk Computer Services Blog

What is a computer worm?

What is a macro virus?

What is a computer virus?

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