Got it. Missed that part. Thank you. Looks like a pure assumption. According to CyberProof [1] and CloudFlare [2], the majority of attacks originate from China and the United States. North Korea is not even making it to Top 10. That's why I asked.

[1] https://blog.cyberproof.com/blog/which-countries-are-most-da...

[2] https://blog.cloudflare.com/ddos-attack-trends-for-2021-q4/