Black hat


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black hat

n
(Computer Science) informal
a. a computer hacker who carries out illegal malicious hacking work
b. (as modifier): black-hat hackers. Compare white hat

Black hat

A general term for hackers or online users who have malicious or illegal intentions.
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References in classic literature ?
Truth to say, from the moment he crossed this new steed, it was no longer D'Artagnan who was travelling, -- it was a good man clothed in an iron-gray justaucorps, brown haut-de-chausses, holding the medium between a priest and a layman; that which brought him nearest to the churchman was, that D'Artagnan had placed on his head a calotte of threadbare velvet, and over the calotte, a large black hat; no more sword, a stick, hung by a cord to his wrist, but to which, he promised himself, as an unexpected auxiliary, to join, upon occasion, a good dagger, ten inches long, concealed under his cloak.
button, a black hat with a cockade to it, a pink striped waistcoat, light breeches and gaiters, and a variety of other necessaries, too numerous to recapitulate.
Cord, in honor of the races, had put on his best clothes, a black coat buttoned up, a stiffly starched collar, which propped up his cheeks, a round black hat, and top boots.
Sometimes after my morning classes were over, I used to encounter Lena downtown, in her velvet suit and a little black hat, with a veil tied smoothly over her face, looking as fresh as the spring morning.
I saw the executioner return into the king's room, change his clothes, put on a black hat and a large cloak and disappear.
Down the roadway, dodging among cabs and carts, ran a weather-stained elderly man, with wide flapping black hat, and homely suit of tweeds.
His black hat was brown before he could afford a coat, his pantaloons were white at the seams and knees before he could buy a pair of boots, his boots had worn out before he could treat himself to new pantaloons, and, by the time he worked round to the hat again, that shining modern article roofed-in an ancient ruin of various periods.
They were driven by a tall man, with a long brown beard and a great black hat, which seemed to hide his face from us.
The umbrella was a black and prosaic bundle long past repair; the hat was a broad-curved black hat, clerical but not common in England; the man was the very embodiment of all that is homely and helpless.
An elderly and apparently intoxicated peasant in a shiny black hat, and carrying a large crimson umbrella, caught sight of it first as it trailed past him, and was seized with a discreditable ambition to kill it.
It was a very ordinary black hat of the usual round shape, hard and much the worse for wear.
Many of the black hats disappeared, and the greater part of the crowd seemed to have diminished in height.