MacTail

Mac Tail, a freelance secret agent on a mission to find a hacker who is responsible for hacking into the government agency computer server. His mission is made impossible due to the fact that he's not the only person after the hacker. Mac must also contest with other freelance agents and Assassins.

Here the link to the web comic at Webtoon: https://www.webtoons.com/en/challenge/mac-tail-/list?title_no=190305