The User, therefore, assumes full responsibility for all acts performed through the use of his/her nickname and password </strong> . The User is obliged to keep nickname and password in the strictest confidence and to keep them with the utmost diligence. The Users have to choose a strong password. For security reasons, Altervista recommends Users to change the password periodically. The User acknowledges that Altervista could request a password change for security reason in order to protect the Services and the data contained therein.