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white hat

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
white hat
n
(Electronics & Computer Science / 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


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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.
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.
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.
 
 
 
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