%S uses the Mozilla CA store to verify that a connection is secure, rather than certificates supplied by the user’s operating system. So, if an antivirus program or a network is intercepting a connection with a security certificate issued by a CA that is not in the Mozilla CA store, the connection is considered unsafe.
%S usa le magazin CA de Mozilla pro verificar que un connexion es secur, in vice de usar le certificatos fornite per le systema de operation del usator. Dunque, si un programma antivirus o un rete intercepta le connexion con un certificato de securitate emittite per un CA que non es in le magazin CA de Mozilla, le connexion es considerate insecur.