425 - 一般ノルウェー市民 2020/09/13(日) 10:58:04.95 ID:aUryfzti0
https://www.recordedfuture.com/japanese-underground-communities/
Other prominent Japanese underground forums include Kogarasu-maru and the now-unavailable Koushinkyo Cyber Division.
2018年の記事やけど、話題になってたっけ？