atak typu man-in-the-middle(A security attack in which an attacker intercepts and possibly modifies data that is transmitted between two users. The attacker pretends to be the other person to each user. In a successful man-in-the-middle attack the users are unaware that there is an attacker between them intercepting and modifying their data)
warstwa środkowa(The logical layer between a user interface or Web client and the database. This is typically where the Web server resides and where business objects are instantiated)
