How to avoid and try to prevent Malware

Malware consists of the commonly known words of Virus and Spyware as well as lesser known terms of Trojans and Worms.  All are dangerous programs that infect your computer and attempt to either damage your system or steal your information.  Malware affects all computing devices.  There is a common misconception that Mac computers don't have Viruses.  Mac computers are attacked, just not as often.  Mobile devices need to be protected as well.  As they are becoming more prevalent, they are getting attacked as well.  In order to lessen the risk of infection I recommend the following:

1. Install an Anti-Virus/Anti-Spyware software.  There are free options out there that provide basic protection, but non-free options often provide additional protections like Online Banking protection and Online Shopping protection.  Mobile devices have Anti-Virus software as well.  Look in the AppStores.
2. Don't open emails from people or organizations you don't know.
3. Don't click on any links within emails or on websites that seem cryptic.  Perpetrators of spreading Malware commonly hijack email addresses and address books and send out emails with only a link to a web page that will download Malware.

If anybody else has any suggestions, please share.