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 a type of malware that is installed on a computer without the knowledge of the owner in order to collect the ownerâs private information.Spyware is often hidden from the user in order to gather information about internet interaction, keystrokes (also known as keylogging), passwords, and other valuable data.pyware can also be used as a type of adware, where the software delivers unsolicited pop-up ads in addition to tracking user behavior. Typically, spyware is installed when a user installs a piece of free software that they actually wanted.