The newspaper article has basically one source. The Wikipedia article dates from the day the newspaper article was published, and only has the article (and a reprint) as its sources.
http://uncovering-cicada.wikia.com doesn't seem to have any activity from more than 6 days ago.
I'm really not a cyber-sleuth like the guy in the story, but the first two pages of Google didn't show anything from before 11/26/2013.
I'm sure the puzzles are engaging, but this looks like fake buzz.