White hat

White hat may refer to:

U.S. Navy version of a Sailor cap.
White hat (computer security), a computer hacker intending to improve security
White hat (film), a hero character
White hat, 33rd-degree Scottish Rite Mason
"White hat", orientation of thinking in terms of facts and information in psychology book Six Thinking Hats
White hat bias - the tendency to accept desired findings with less evidence than is required to prove other outcomes

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