It is, of course, worrying in itself that there’s an open question about whether an extortionist attack via malicious software on a huge company has been conducted by a nation-state, an organised crime group, or a bored teenager.
This whole incident is a perfect illustration of how technology is equalizing capability. In both the original attack against Sony, and this attack against North Korea, we can’t tell the difference between a couple of hackers and a government.
AlyssaRowan On Hacker News
Schneier on Security blog post