Nobody I know listens to this and would call this "hacker music". Or do you mean "butcher music"?
We play ctf, also at insomnihack and casual stuff on ctftime.org ... there is no ONE hacker music. Some like pop, rap, some go for rock, some go for jap, some even like babymetal and that stuff.
Jap, also Cornelius Arise Soundtrack - of course, since it is GitS:
Cornlius:
Cyberpunk lacks a lot of japanese tracks, sadly!
Also: almost nobody listens to music when disassembling, reverse engineering, pentesting ... "hacking"... in a tournament setting - cuz we talk to each other and need to be focused. Music while hacking is very bad, like listening to music when studying or concentrating on work, it just takes away brain power from where you want to focus it... Not to say that in relaxed stages some music can help to solve some problems.