Black hat Meaning in English
expression
Definition
A 'black hat' is someone who uses technical skills, especially in computer hacking, for illegal or unethical purposes. It can also refer more generally to a person who does bad things, especially in technology or online security.
Usage & Nuances
Mainly used in tech or cybersecurity contexts. Opposite is 'white hat' (ethical hacker). Also appears in phrases like 'black hat SEO' (using dishonest tactics online). Formal in cybersecurity, but can be informal in pop culture. Not about literal hats.
Example Sentences
The company was attacked by a black hat last night.
basic
A black hat tries to steal private information.
basic
It's illegal to be a black hat hacker.
basic
After the breach, everyone suspected a black hat was involved.
natural
Not every hacker you see in movies is a black hat.
natural
He made a name for himself as a notorious black hat before switching sides.
natural