Hacking is when an unauthorized person uses a network [Network: A group of interconnected computers]and an Internet modem [modem: a piece of hardware that connects the computer to the Internet] to access security passwords or other security of data stored on another computer.
Hackers sometimes use software hacking tools and often target some sites on the Internet. Their exploitation is not only limited to private networks but also to government and corporate computer networks Misuse of data and unauthorized transfer or copy.