By Black Hat Hacker?

A black hat hacker is a hacker who violates computer security for their own personal profit or out of malice.

Who is the No 1 black hat hacker?

Kevin Mitnick

Without a doubt, one of the best black hat hackers to ever hit the tech world. He was, at one point, the most wanted cybercriminal in the world—and still remains one of the most notorious in hacking history. He's even been featured in documentaries about hacking because of how smart he is.

What black hat hackers do?

Black Hat hackers are criminals who break into computer networks with malicious intent. They may also release malware that destroys files, holds computers hostage, or steals passwords, credit card numbers, and other personal information.