FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Spyware. Spyware is a form of malware that hides on your device, monitors activity, and steals sensitive information like financial data, account information, logins, and more. Spyware can spread by exploiting software vulnerabilities or else be bundled with legitimate software or in Trojans.

Detailed explanation-2: -Spyware is a type of program that is installed with or without your permission on your personal computers to collect information about users, their computer or browsing habits tracks each and everything that you do without your knowledge and send it to remote user.

Detailed explanation-3: -Spyware is mostly classified into four types: adware, system monitors, tracking including web tracking, and trojans; examples of other notorious types include digital rights management capabilities that “phone home", keyloggers, rootkits, and web beacons.

Detailed explanation-4: -A Trojan horse program is similar to spyware except that it is packaged as another program. These programs are much like the ancient story of Troy where the Greeks presented the Trojans with a large wooden horse as a peace offering. While the city slept, Greek soldiers emerged from the horse and attacked.