FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A Trojan horse might look like helpful software but will actually do harm to your computer.

Detailed explanation-2: -Trojan horse: A destructive program that pretends to be a useful application, but harms your computer or steals your information after it’s installed.

Detailed explanation-3: -Rootkit is a form of malware that provides the attacker with administrator privileges on the infected system, also known as “root” access. Typically, it is also designed to stay hidden from the user, other software on the system, and the operating system itself.

Detailed explanation-4: -What is Ransomware? Ransomware is a type of malicious software that infects a computer and restricts users’ access to it until a ransom is paid to unlock it. Ransomware variants have been observed for several years and often attempt to extort money from victims by displaying an on-screen alert.

Detailed explanation-5: -Spyware is a type of malicious software–or malware–that is installed on a computing device without the end user’s knowledge. It invades the device, steals sensitive information and internet usage data, and relays it to advertisers, data firms or external users.