Every day you receive email messages with attached documents, photos, or other electronic files.
Sometimes these attachments contain destructive viruses, Trojan horses, or spyware, sent intentionally by someone who intends to cause harm or steal sensitive personal information.
Harmful Software ("Malware")
Malware is a shortened term for "malicious software." Malware is software designed to infiltrate or damage a computer without the owner's consent or knowledge.
There are many types of malware, including: