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://lansinginstitute.org/2021/10/12/russian-intelligence-focus-in-bulgaria/
https://jamestown.org/program/the-realities-of-russian-military-shipbuilding-part-one/
https://www.rbc.ru/newspaper/2021/10/04/61571a279a79478e0bc0b011
https://www.kp.ru/daily/28335.5/4480309/
https://jamestown.org/program/russias-military-boosts-electromagnetic-spectrum-capability/