Here are a list of cyber criminals that have gone to jail over DDOS attacks on MMOS:

https://www.bbc.com/news/technology-44038178 [MMO: World Of Warcraft, Criminal: Calin Mateias of Romania, Sentence: One Year of Jail Time & $29,987 (£22,176) Fine]
https://krebsonsecurity.com/2018/12/...hire-services/ [MMO: Gaming Websites, Criminals: Matthew Gatrel, Juan Martinez of California, US, Sentence: Felony]
https://www.infosecurity-magazine.co...eens-arrested/ [MMO: WOW, Criminals: Zachary Buchta of Maryland and Bradley Han Willem Van Rooy of the Netherlands, Sentence: 10 Years in Jail]

Very easy once these cyber criminals are reported....