https://samsarmad.wordpress.com/2020/05/05/bellingcat-who-is-dmitry-badin-the-gru-hacker-indicted-by-germany-over-the-bundestag-hacks-bellingcat-2/
bellingcat – Who Is Dmitry Badin, The GRU Hacker Indicted By Germany Over The Bundestag Hacks? – bellingcat