Definition of Hacker:

  1. A person who uses computers to gain unauthorized access to data.

  2. A person or thing that hacks or cuts roughly.

  3. Skilled computer programmer who breaks (hacks) a password code, or otherwise gains remote access to a protected computer system, mainly for the thrill of it. Unlike a cracker, a hacker may or may not also perform a criminal action such as alteration or stealing of data, or transfer of funds.

How to use Hacker in a sentence?

  1. If youre accessing the Internet without properly securing your computer, hackers can gain illegal access to your files-often without your knowledge.

Meaning of Hacker & Hacker Definition