A white hat is an ethical computer hacker, or a computer security expert, who specializes in penetration testing and other testing methodologies that ensure the security of an organization's information systems. Ethical hacking is a term meant to imply a broader category than just penetration testing.

What is the symbolism of a white hat?

A virtuous or morally-sound person, often such a character in a book or film. The term is a reference to the color of the cowboy hat stereotypically worn by the hero in Westerns (as opposed to the villain's black hat). The white hats are working to apprehend the masterminds behind the heist.

What do you mean by white hat hacker?

What is a White Hat Hacker? A white hat hacker — also referred to as a “good hacker” or an “ethical hacker” — is someone who exploits computer systems or networks to identify security flaws and make improvement recommendations.