GitHub has been hammered by a continuous DDoS attack for three days. It's the "largest DDoS attack in github.com's history." The attack is aimed at anti-censorship GreatFire and CN-NYTimes
projects, but affected all of GitHub. The traffic is reportedly coming
from China, as attackers are using the Chinese search engine Baidu for
the purpose of "HTTP hijacking."
According to tweeted GitHub status messages,
GitHub has been the victim of a Distributed Denial of Service (DDoS)
attack since Thursday March 26. 24 hours later, GitHub said it had "all
hands on deck" working to mitigate the continuous attack. After GitHub
later deployed "volumetric attack defenses," the attack morphed to
include GitHub pages and then "pages and assets." Today, GitHub said it
was 71 hours into defending against the attack.