Top definition
1- A Hacker (Or rather cracker, but that's a different discussion) who uses his abilities for malicious purposes.

2- Anything relating to malicious use of the internet.
1- as a hacker, I would have to say he's definately a black hat hacker.

2- since the software's ony use was generating registration keys for legitamite software, it was considered balck hat software.
by Mr.Mysteriosity September 07, 2003
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Aug 10 Word of the Day
Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.
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by Another damn hippie. May 09, 2018
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2
n. (Hacker Lingo) Hacker who uses his or her skills for malicious purposes and/or personal gain. Defacing websites, writing viruses, stealing personal information, and booting people off chat programs are all considered blackhat activities.
The blackhat is loathed by many in the hacker culture, who prefer the chivalrous vigilanteism of the whitehat to the blackhat's destructive and selfish tendencies. However, blackhats generally do deserve respect for their remarkable abilities - the exception of course being the script kiddie.
by progamer124 February 05, 2004
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3
1- A type of Hacker that uses his/her skills for malicious purposes or own amusement/beneficement

2- A synonym for Villain, The Bad Guy, the one that opposes to the good guy and all the pathetic heroes of the world

3- The protagonist of Villainous
-1-
-Did you see in the news? a Black Hat Hacker just hacked the fucking NASA!
-WTF DUDE?! HOW?!

-2-
-In the Marvel Thanos is the biggest Black Hat in it
-I don't think so, he can be all powerful he wants, but NOBODY beats Ultron

-3-
Black Hat: Greeting you poor try of a Villain, Black Hat here! to turn your most wicked thoughts in REALITY!
by W.D Shadow Marco C. Krueger February 10, 2018
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4
A hacker who uses his skills for unethical destruction.
"Those damn Black Hats hacked my website!"

"Josh is the biggest Black Hat going around"
by Flash Lover February 28, 2010
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6
The black hat hackers are the ones that cause damage. White hat hackers do good with their hacking
by Don September 11, 2003
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