[outages] GitHub DDoS?

API availability dropped to zero https://status.github.com/graphs/past_day "We're working to mitigate a DDoS attack affecting github.com performance." from https://status.github.com/messages "Resolved - GitHub is available again, but are experiencing a DDOS attack. We'll update if we notice any impact on CircleCI service." from http://status.circleci.com/ Anyone know more? -Grant