A DDoS attack is a common method for taking down a server by overloading it with requests.
Amped Attacks takes down a website and tweets announcing it to the world.
He/she uses the hashtag #tangodown in the tweets to announce the downing of website.
This a hashtag commonly used by the online hacktivist group, Anonymous.
However, other than #tangodown, there doesnt seem to any connection between the hacker and Anonymous.
Also, no major Anonymous Twitter account has sanctioned or endorsed Amped Attacks exploits.
https://twitter.com/sgtbilko420/status/656982410245111808
Amped Attacks has successfully targeted and temporarily killed multiple sites.
https://twitter.com/sgtbilko420/status/656906046901002241
On the weekend, he took down kkkknights.com, though the site quickly returned.
However, Amped Attacks has vowed to take it down again.
https://twitter.com/sgtbilko420/status/656950444447657984
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source: www.techworm.net