https://novayagazeta.ru/articles/2021/10/28/bairaktar-protiv-tsirkona
https://www.ft.com/content/138a0815-98bd-42b8-b895-49e89b980a99
https://www.rosbalt.ru/world/2021/10/27/1928272.html
https://ru.krymr.com/a/rossiya-hakery-nobelium-mikrosoft-solarwinds/31532042.html
https://www.bbc.com/russian/features-59050535
https://www.rosbalt.ru/world/2021/10/26/1927940.html
https://tyzhden.ua/%D0%A1%D0%B2%D1%96%D1%82/253450
https://www.nytimes.com/2021/10/25/us/politics/russia-cybersurveillance-biden.html