A significant number of authentication or authorization failures have occurred on messages for the account %1 and the first ...

A significant number of authentication or authorization failures have occurred on messages for the account %1 and the first attempt was from the IP address %2. %3 failures have been identified in the last %4 minutes. There have been %5 errors in total. Note: the user uri might have been truncated to 64 characters.
Resolution:
It is recommended that this IP address be examined to determine if it should be blocked at the firewall to prevent password guessing attacks. This account may also be worth blocking with a script on the Access Edge Server to prevent continued attacks against it.