Anything in a message that will do harm to the Recipient, or the computer and networks they use, may be referred to as Malicious Content. This typically includes the various ways of including viruses and similar content in an email message, but sometimes the term may be used to refer to messages which include a mechanism that might lead the Recipient to take some action that would lead to such content, like a link in the message that leads to a website that delivers code intended to compromise the web browser. Malicious Content is often referred to as malware.

Anything in a message that will do harm to the Recipient, or the computer and networks they use, may be referred to as Malicious Content. This typically includes the various ways of including viruses and similar content in an email message, but sometimes the term may be used to refer to messages which include a mechanism that might lead the Recipient to take some action that would lead to such content, like a link in the message that leads to a website that delivers code intended to compromise the web browser. Malicious Content is often referred to as malware.