white hat

(redirected from White hats)
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white hat

n
(Computer Science) informal
a. a computer hacker who is hired by an organization to undertake nonmalicious hacking work in order to discover computer-security flaws
b. (as modifier): a white-hat hacker. Compare black hat
References in classic literature ?
Broad-brimmed white hats and Panamas, blue-cotton trousers, light-colored stockings, cambric frills, were all here displayed; while upon shirt-fronts, wristbands, and neckties, upon every finger, even upon the very ears, they wore an assortment of rings, shirt-pins, brooches, and trinkets, of which the value only equaled the execrable taste.
Negro coachmen and white; in straw hats, black hats, white hats, glazed caps, fur caps; in coats of drab, black, brown, green, blue, nankeen, striped jean and linen; and there, in that one instance
Finding us distinguished, as a nation, by our love of athletic exercises, the little man, in the innocence of his heart, devoted himself impromptu to all our English sports and pastimes whenever he had the opportunity of joining them; firmly persuaded that he could adopt our national amusements of the field by an effort of will precisely as he had adopted our national gaiters and our national white hat.
I give her ten minutes, Arnold, before she changes her mind again on the serious and weighty subject of the white hat and the brown.
A bright red handkerchief was wound in a very loose and unstudied style round his neck, and an old white hat was carelessly thrown on one side of his head.
If we see them in their shops we can still tell, perhaps, for we know that a butcher always wears a blue apron, and a baker a white hat.
At that moment, on the road leading from the big house, two women and a man in a white hat were seen coming toward the officers.
A certain dark-complexioned Swab, however, who wouldn't fill, or do anything else that was proposed to him, and whose heart was openly stated(by the boatswain) to be as black as his figure-head, proposed to two other Swabs to get all mankind into difficulties; which was so effectually done (the Swab family having considerable political influence) that it took half the evening to set things right, and then it was only brought about through an honest little grocer with a white hat, black gaiters, and red nose, getting into a clock, with a gridiron, and listening, and coming out, and knocking everybody down from behind with the gridiron whom he couldn't confute with what he had overheard.
But the first appearance of Old Sharon--as dirty as ever, clothed in a long, frowzy, gray overcoat, with his pug-dog at his heels, and his smoke-blackened pipe in his mouth, with a tan white hat on his head, which looked as if it had been picked up in a gutter, a hideous leer in his eyes, and a jaunty trip in his walk--took her so completely by surprise that she could only return Moody's friendly greeting by silently pressing his hand.
On the other hand, people who care nothing for a future state go about in light suits; and there have been known wretches so abandoned as to wear a white hat.
For bending down under the sloping roof was a European, to all appearance an Englishman, in linen clothes and white hat.
The prince put the white hat and yellow gloves on the table and offered his hand quite cordially.