Changes

==Symptoms==

==Symptoms==

If an [[operating system]] (such as [[Windows]], or [[Mac OS]]) gets infected by malware, it could cause the loss of important files; business files, digital music and movies, and pictures could be destroyed by a single infection.<ref>''The Mac Security Blog''. [http://blog.intego.com/2008/12/04/do-you-need-an-antivirus-for-your-mac-definitely-yes/ Do You Need an Antivirus for Your Mac? Definitely, Yes.], blog.intego.com, December 4, 2008.</ref> The malware may use the infected computer to generate revenue (by displaying advertisements, farming private information, or mining [[cryptocurrency]], for example) or simply cause damage.  Malware can also interfere with industrial processes, infrastructure, and other business processes if it has access to related devices.  In some other cases, malware has no interest in the host computer, but rather performs various tasks (such as DDoS attacks and spamming) as a bot for the malware publisher.

If an [[operating system]] (such as [[Windows]], or [[Mac OS]]) gets infected by malware, it could cause the loss of important files; business files, digital music and movies, and pictures could be destroyed by a single infection.<ref>''The Mac Security Blog''. [http://blog.intego.com/2008/12/04/do-you-need-an-antivirus-for-your-mac-definitely-yes/ Do You Need an Antivirus for Your Mac? Definitely, Yes.], blog.intego.com, December 4, 2008.</ref> A computer with malware may also operate more slowly since the malware is using up system resources.  It may also reduce the available bandwidth on a network, causing internet performance problems for all computers connected to that network.  Malware can also use additional storage space.

===Infectious Mobile Devices===

===Infectious Mobile Devices===