To simplify investigation of any security-related incidents, the administrator can check the successful and unsuccessful login attempts.
The login info data is stored in the database and in the logs in the security log channel. The logs have the ID parameter used in the database to enable you to find a particular log item quickly.
The list of all login attempts is available under System > User Management > Login Attempts in the main back-office menu.
The administrator can also open this list directly from the customer user view page by clicking on the link with the date of the last login:
In this case, the data in datagrid will be filtered by this user: