Certificates issued by GeoTrust, RapidSSL, Symantec, Thawte, and VeriSign are no longer considered safe because these certificate authorities failed to follow security practices in the past.
Le certificatos edite per GeoTrust, RapidSSL, Symantec, Thawte e VeriSign non es plus considerate secur perque iste autoritates de certification falleva a sequer practicas de securitate in le passato.