北朝鮮のインターネット接続が全て切断されている？

下記の記事が出ている。

　North Korea has Internet outage; hacking may be to blame: U.S. expert
　REUTERS: December 22, 2014
　http://www.reuters.com/article/2014/12/22/us-sony-cybersecurity-northkorea-idUSKBN0K01WA20141222

　North Korea’s Internet is going suspiciously haywire
　Washington Post: December 22, 2014
　http://www.washingtonpost.com/blogs/the-switch/wp/2014/12/22/north-koreas-internet-is-going-suspiciously-haywire/

　Has U.S. attackws North Korea's internet? State Department suggests it might have as country suffers one of its worst ever outages
　Daily Mail: 22 December, 2014
　http://www.dailymail.co.uk/news/article-2884065/Is-North-Korea-s-internet-attack-Country-suffering-one-worst-outages-days-Obama-warned-proportional-response-Sony-hacking.html

　North Korea drops off the Internet in suspected DDoS attack
　ars technica: December 23, 2014
　http://arstechnica.com/information-technology/2014/12/north-korea-drops-off-the-internet-in-suspected-ddos-attack/

[追記：2014年12月23日22:24]

関連記事を追加する。

　North Korea's Internet links restored amid U.S. hacking dispute
　REUTERS: December 23, 2014
　http://www.reuters.com/article/2014/12/23/us-northkorea-cyberattack-idUSKBN0K107920141223

[追記：2014年12月24日]

関連記事を追加する。

　North Korea struggles to stay online
　BBC: 23 December, 2014
　http://www.bbc.com/news/technology-30591219

　North Korea’s Internet outage was likely the work of hacktivists — but not the ones you might think
　Washington Post: December 23, 2014
　http://www.washingtonpost.com/blogs/the-switch/wp/2014/12/23/north-koreas-internet-outage-was-likely-the-work-of-hacktivists-but-not-the-ones-you-might-think/

[追記：2014年12月26日]

関連記事を追加する。

　North Korea's Cyberattack Capabilities
　Huffington Post: December 25, 2014
　http://www.huffingtonpost.com/2014/12/24/north-koreas-cyberattack-_n_6379076.html

[追記：2014年12月28日]

関連記事を追加する。

　North Korea suffers another Internet outage, hurls racial slur at Pres. Obama
　ars technica: December 28, 2014
　http://arstechnica.com/tech-policy/2014/12/north-korea-suffers-another-internet-outage-hurls-racial-slur-at-pres-obama/

　North Korea blames U.S. for Internet outages, calls Obama 'monkey'
　REUTERS: December 27, 2014
　http://www.reuters.com/article/2014/12/27/us-northkorea-cybersecurity-idUSKBN0K502920141227

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　http://cyberlaw.cocolog-nifty.com/blog/2014/12/post-468b.html