I selected the "connections" tab in bi status and it is showing some connections I don't recognize. You can see the connections in the attached image, but, the data is:
Better question is do you have any ports open on your router that would allow that to happen? Are you accessing your BI system from outside? If so are you using a VPN?
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But, yeah, as above. Better not to have open ports if you can avoid.
Either they have scanned you as you have open ports or you have something you have been trying to add to your system that uses that to find open ports?
Unlikely. You are probably port forwarding so your BI machine is accessible from the internet. They scanned and hit your system. But it doesn’t show a user or anything so they didn’t log in. Likely a bot scanning for open systems.
Best to use a VPN and not directly expose your systems to the internet.