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.
From Wikipedia, the free encyclopedia. A computer worm is a kind of malware that is able to copy itself, and spread. Unlike a computer virus, this is done without changing files on a computer, and without affecting the boot sector of media.Worms spread over networks, or on removable media like USB flash drives.rom Wikipedia, the free encyclopedia. A computer worm is a kind of malware that is able to copy itself, and spread. Unlike a computer virus, this is done without changing files on a computer, and without affecting the boot sector of media.