Hackers were organized in teams
https://www.bleepingcomputer.com/news/security/infinityblack-hacker-group-dismantled-by-european-authorities/
Collections of stolen credentials sold at the beginning of 2019
Europol announced today that Polish and Swiss law enforcement authorities dismantled the 'InfinityBlack' hacker group after arresting five of its members in Poland last week.
Hackers were organized in teams
May 5, 2020, 5:39pm UTC
https://www.bleepingcomputer.com/news/security/infinityblack-hacker-group-dismantled-by-european-authorities/
> Collections of stolen credentials sold at the beginning of 2019
> Europol announced today that Polish and Swiss law enforcement authorities dismantled the 'InfinityBlack' hacker group after arresting five of its members in Poland last week.