There are many types of spyware, but the most common is probably adware. Adware is a type of software that is utilized to track a user's online activity and display screen ads. https://guayhk.com/?p=1447 It can be set up on a computer system without the user's understanding, and it can be challenging to remove. Other typical types of spyware consist of keyloggers, which are utilized to track a user's keystrokes, and Trojans, which are used to take personal details.