M2 Login Failure Report
Login Failure Report is a security warning thrown when a User fails to login into their account multiple times.
Login Failure Report can only be managed by the System Admin.
The functionality is turned on by default and can be set otherwise using the setting in System Settings > Security > Enable IP report warning on login failure:
With the Setting enabled, all the Users who fail to enter correct credentials will be warned about their IP details being registered:
After the third unsuccessfull attempt, Users will have to wait for 10 seconds before being able to try again. Additionally, the IP details report warning will be displayed: