Azure VPN Gateway - Forced Tunneling

Hello, I have a Site-to-Site-VPN with an Azure VPN gateway where some local subnets on the UTM are configured. Now I have enabled forced tunneling on the Azure site, so that all traffic is send over...
Too many failed logins 45.140.17.26 How possible

I am using UTM 9.720.5, which is the newest firmware. I know, it is a Russian IP and I am not the only one which tried to be hacked! Under WebAdmin I have only allowed access from the internal network...