FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The term hacker may refer to anyone with technical skills, but it often refers to a person who uses his or her abilities to gain unauthorized access to systems or networks in order to commit crimes.

Detailed explanation-2: -Unauthorized computer access, popularly referred to as hacking, describes a criminal action whereby someone uses a computer to knowingly gain access to data in a system without permission to access that data.

Detailed explanation-3: -Black hat hackers hack to take control over the system for personal gains. Some computer experts call them crackers instead of hackers. Grey hat hackers comprise of people who are curious to hack a system to locate potential loopholes in the network security system.

Detailed explanation-4: -Explanation. Confidentiality is a term that refers to the protection of data against unauthorized access.

Detailed explanation-5: -A cyber attack is any attempt to gain unauthorized access to a computer, computing system or computer network with the intent to cause damage. Cyber attacks aim to disable, disrupt, destroy or control computer systems or to alter, block, delete, manipulate or steal the data held within these systems.