Refers to unauthorized access or manipulation of computer systems, or to creative technical problem-solving in computing contexts.
The company suffered a hacking attack.
He taught himself hacking skills.
hacking (sports); fouling
Used in sports such as basketball and rugby for illegal physical contact, especially striking or kicking an opponent.
Hacking is a foul in rugby.
Hacking in basketball results in a technical foul.
The website was hacked and information leaked out.
The player was called for a hacking foul in the basketball game.
The company's server suffered a hacking attack.
He is suspected of hacking into the government's system.
侵入 is a general word for intrusion into a place or system, while ハッキング specifically implies gaining unauthorized computer access.
ハッキング refers to the act or process of hacking, while ハック usually denotes a specific clever technique or trick.
Loanword from English 'hacking', adopted into Japanese with the same katakana spelling.