Ogwiritsira ntchito ma telefoni MTS ndi Rostelecom aletsa ma adilesi ena a IP omwe ali ndi makalata otetezedwa a ProtonMail. Bungwe la Federal Security Service la Russian Federation (FSB) likufuna kuti izi zichitike, TechMedia yati.
A siloviki adatsimikizira kufunikira kwawo potumiza mauthenga abodza onena za kuukira kwa zigawenga zochokera ku maseva a ProtonMail. Kalata yovomerezeka yotumizidwa ndi FSB ku utsogoleri wa MTS imanena za milandu yokwana chikwi yokwana 1.3,000 yomwe idatsegulidwa polandila ziwopsezo zotero. Makalata omwewo, monga Kommersant adazindikira pambuyo pake, adalandiridwa ndi ogwiritsira ntchito ena akuluakulu, ndipo samangolankhula zongoyimitsa IP ProtonMail, komanso ma adilesi a Tor, Mailfence ndi Yopmail.
Gulu la ProtonMail potengera zomwe opereka aku Russia adasinthira magalimoto ogwiritsa ntchito ku maseva ena, omwe adalola kubwezeretsa ntchito ku Russia.
