What is spyware and malware?

Spyware is a general term used to describe software that performs certain behaviors such as advertising, collecting personal information, or changing the configuration of your computer, generally without appropriately obtaining your consent first.

Malware is an abbreviated term used to describe a "malicious software" program. Malware includes things like spyware or adware programs, such as tracking cookies, which are used to monitor your surfing habits. It also includes more sinister items, such as keyloggers, Trojan horses, worms, and viruses.