What are the most typical types of spyware?

Spyware is a type of malware that is designed to gather information about a person or organization without their understanding. It can be set up on computers, phones, and other gadgets, and can collect a large range of data, consisting of sensitive personal details.

reference Keyloggers are developed to record the keystrokes a person makes on their keyboard, which can then be used to track their online activity or take sensitive information.  https://scarabnet.org/?p=423 Trojans are a type of malware that is typically disguised as genuine software application, and can be used to install other types of spyware on a computer system or gadget.