1 4.3: Macduff is in England with Malcolm. 2  We learned earlier that Macbeth had sent for Macduff's aid when he learned that Malcolm meant to gather rebellious forces. 3  Macduff sent a clear no back to Macbeth, making his allegiance to Malcolm and his suspicion of Macbeth certain.
Spyware is software that aims to gather information about a person or organization without their knowledge and that may send such information to another entity without the consumer's consent, or that asserts control over a computer without the consumer's knowledge.henever spyware is used for malicious purposes, its presence is typically hidden from the user and can be difficult to detect.
Spyware are unethical programs that covertly gather user information through an internet connection without the user's knowledge. This is usually done for advertising purposes. When installed on a local computer, the spyware software monitors user activity on the Internet and transmits this information to someone else without the user's knowledge.