Blockchain analysis firm Chainalysis has disclosed that just two groups benefited from the majority of cryptocurrency hacks that have occurred to date.
source https://www.google.com/url?rct=j&sa=t&url=https://www.ccn.com/two-groups-have-dominated-cryptocurrency-hacks-raking-in-1-billion-chainalysis/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHG2ZWi5lxx-6r_mADhu4koYJ-Fnw