Meaning of white hat in English:

white hat


  • 1A good or moral person, especially the hero in a film, novel, or play.

    ‘that account, dominated as it is by conflict between black hats and white hats, is hardly the whole truth’
    • ‘This isn't an airport novel with white hats and black hats, moral certitude and a nice conclusive ending.’
    • ‘The San Francisco clothing company is widely admired as a ‘white hat’ among multinationals.’
    • ‘Characterization is accepted, not elaborated upon and the result is a film filled only with archetypes, black hats, and white hats.’
    • ‘The lines between good and bad cease to exist as the white hats do terrible things for the best of reasons.’
    • ‘As with many Leonard novels, there are no distinctly black or white hats to distinguish the bad guys from the good.’
    • ‘In the supposedly witty world of Anarchy TV, there are white hats and the standard, cliched black ones.’
    • ‘But we, the journalists, are supposed to be wearing the white hats in our run-ins with the corporate culture, aren't we?’
    • ‘Is this a serious cowboy movie or a commentary on cowboy movies and their inane black hat / white hat ethics?’
    • ‘Too often a film will decide who wears the white hat and leave obvious clues to make sure you know what they think you should think.’
    • ‘By this time, the days of good guys in white hats and the cavalry riding to the rescue in the nick of time had long since vanished, so imagine everyone's surprise when someone actually made a good-hearted western.’
    • ‘One of the reasons we watch movies is to escape from real life into a world where the good guys in the white hats win in the end.’
    • ‘There is a lot more to this picture than the good guys wearing white hats’
    • ‘Although I love Dead Man, it's not a Western for those looking for men in white hats riding off to save the town.’
    • ‘A part of me is actually rooting for the men in white hats to come riding in and save the day.’
    • ‘The Furies is not a Western where men in white hats face off men in black hats on the town square at noon.’
    • ‘Some of my readers still want good guys and bad guys, white hats and black hats.’
    • ‘Here, no one gets to wear the white hat, no one rides contentedly into the sunset, and the loose ends are left satisfyingly unknotted.’
    • ‘The cowboy (in white hat, of course) always showed that good triumphed over evil and I truly believe that youngsters subconsciously absorbed the moral force for good inherent in the stories.’
    1. 1.1Computing informal A person who hacks into a computer network in order to test or evaluate its security systems.
      • ‘while security dudes tend to speak in terms of black or white hats, it seems to me that nearly all hats are in varying shades of grey’
      • ‘If they do this with full knowledge and authorization of the affected company, they are white hats; if they criminally exploit the vulnerabilities, they are black hats.’
      • ‘Businesses with trade secret sensitivities might want to consider less formal protection strategies such as white hat hackers.’
      • ‘But while it's easy for hackers to detect, it's also easy to fix - and there are more white hats than black.’
      • ‘Once, there were "black hat" hackers and "white hat" hackers - bad guys who broke into computers to wreak havoc, and good guys who tried to find and plug loopholes.’
      • ‘A white hat hacker has demonstrated an ingenious way of intercepting cellphone calls.’
      • ‘This week's hackers were believed to be government sponsored, which would explain the high-level expertise these white hats showed.’
      • ‘If convicted, they should not be allowed to go back into the business as a white hat hacker.’
      • ‘Among geeks he'd be called a "white hat" hacker - the kind who tinkers with machines out of a desire to learn and explore.’
      • ‘Exploitation of the latest flaw is straightforward, according to Polish white hat hackers iSec, which unearthed both problems.’
      • ‘It's operated on the belief that the white hats can be spotted by their exemplary policies and programs and sustainability reports.’
      brave man, champion, man of courage, great man, man of the hour, conquering hero, victor, winner, conqueror, lionheart, warrior, paladin, knight, white hat


1950s from the colour of the hat traditionally worn by the good characters in westerns. Compare with black hat.