Russia blocks encrypted email provider ProtonMail March 11, 2019 https://techcrunch.com/2019/03/11/russia-blocks-protonmail/
Russia Blocks Swiss-Based ProtonMail over Wave of Bomb Threats January 28, 2020 http://www.naharnet.com/stories/en/...ss-based-protonmail-over-wave-of-bomb-threats
ProtonMail Russia’s ProtonMail block – New revelations and information January 31, 2020 https://protonmail.com/blog/russia-block-2020/
Proton Technologies announces deployment of anti-censorship system March 13, 2020 https://www.neowin.net/news/proton-technologies-announces-deployment-of-anti-censorship-system Introducing alternative routing to prevent censorship of Proton apps