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 is similar to Adware, but it has a malicious intent. Both types of programs are stealthily introduced to the user's computer. In the case of Spyware and some Adware, the user is unaware of this invasion.The presence of either can be the cause of slowing down the speed of a computer.pyware is also called malware. Not all spyware is malicious. Some types of spyware may be installed on purpose, by the computer owner in order to track or monitor the activity of other users secretly. This may be used in some corporate, shared or public computer situations.