[ grey hat ]
/ ˈgreɪ ˈhæt /
noun Digital Technology, Informal.
a hacker who violates the security of a system without true malicious intent but often without the prior knowledge or consent of the owner or developer, and who later reports system vulnerabilities to the authorities, sometimes for personal profit.
Grey vs. GrayGrey and gray are both accepted in the English language. They refer to a color of a neutral tone between black and white, and can also be used metaphorically to convey gloom and dullness. However, gray is the more popular spelling in the US, while grey reigns supreme in the UK. For centuries, the one letter difference between gray and grey has left people wondering …
Origin of gray hat
First recorded in 1995–2000
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019