One who breaks into computer systems for kicks? (6)
I believe the answer is:
hacker
'one who breaks into computer systems for kicks?' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.
This is the entire clue.
Can you help me to learn more?
(Other definitions for hacker that I've seen before include "Modern word for person who breaks into computer data" , "One imposing cuts" , "one's riding for pleasure" , "Person who breaks into computer systems" , "Chopper" .)