https://roskomsvoboda.org/post/yandex-sbor-mnozhestva-dannyh/
https://www.confiant.com/news/the-yandex-leak-how-a-russian-search-giant-uses-consumer-data
блог Пруля-на-Рейні. Blog by Serhii "Prool" Pustovoitov. Languages: Ukrainisch, Englisch, Russisch