Tex. hack may be first disruption of U.S. water system by Russia
washingtonpost.comAnd why don't we simply cut Russia off from the internet? I'm constantly amazed at how we permit pervasive comprehensive attacks from other countries without a peep.
Why does US, the largest country, not simply eat the others?
Because you can't. You are welcome to cut off yourself from the internet, this way you'll be totally safe.
Really? We can't filter certain traffic at the point of entry? That seems unlikely.
You can. As I said, you welcome to cut off yourself from the internet completely.
You can't filter traffic at the nodes that don't belong to you.