Hacking Geniuses in Manga
A hacker is someone who seeks out and exploits weaknesses in a computer network. Hacking is a focus of these manga, either in the traditional sense, or more fantastical systems such as the human mind or dreams.

.hack//4koma + Gag Senshuken
Koichi Sumimaru

.hack//Link: Tasogare no Kishidan
Megane Kikuya, CyberConnect2

.hack//Alcor: Hagun no Jokyoku
Kanami Amou, Rena Izumibara

.hack//G.U.+
Tatsuya Hamazaki, Yuzuka Morita

.hack//Tasogare no Udewa Densetsu
Tatsuya Hamazaki, Rei Izumi

Dengeki Daisy
Kyousuke Motomi

Summer Wars
Iqura Sugimoto, Mamoru Hosoda

Bloody Monday
Aoki Yuuya, Kouji Megumi

Ne0;lation
Hirao Tomohide, Yoda Mizuki

XINK3R
Chu Kwon