Not sure why North Korea is denying it. This is huge victory for them. Even if they weren't responsible why wouldn't they want the world to think they brought the mighty Americans to their knees?
I know these things have been going on but this seems like the official start of cyber warfare and in this first battle we have convincingly loss. But, as someone mentioned, I have a feeling there's more to it behind the scenes. It does seem surprising and odd that we would give up so easy knowing full well how it will be perceived.
