According to RBC, the measure will affect dozens of certificates of various Russian organizations, including those included in the EU sanctions package. Since the summer of this year, foreign certification centers have carried out several waves of digital certificate cancellations. In particular, they were also recalled by the Greek center, where several companies from the Russian Federation had previously moved. In total, foreign centers withdrew from 1,300 Russian organizations. In the absence of a valid certificate, foreign browsers block access to the site or warn about an insecure connection.