Terms for subject Hacking containing unauthorized access

English	Russian
gain unauthorized access	получить неавторизованный доступ (Attackers can use a valid session ID to gain unauthorized access to a web application if a website doesn't properly secure session IDs. Alex_Odeychuk)
gain unauthorized access to a public-facing application	получить несанкционированный доступ к публичному приложению (bleepingcomputer.com Alex_Odeychuk)