https://novayagazeta.ru/articles/2021/10/28/okhota-na-zhemchuzhinu
https://ru.krymr.com/a/rossiya-hakery-nobelium-mikrosoft-solarwinds/31532042.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
https://novayagazeta.ru/articles/2021/10/21/kratkim-kursom-idete-tovarishchi
http://www.kasparov.ru/material.php?id=617293B719EFC