In this case it was not Twitter or Github that got overloaded, those services work totally fine, but a service allowing you to reach them got overloaded,' Adam Surak, site reliability engineer at told Business Insider.

'The purpose of this attack is to overload the service in any way possible and make it stop working or be unreachable. That basically means hackers are overwhelming Dyn's servers with useless data and repeated load requests, preventing useful data - the Twitter IP address, for example - from getting through.

They translate what you type into your browser -for example - into IP addresses that computers can understand.ĭyn said on Friday that it suffered a DDoS attack, or a distributed denial of service. The issue appears to have something to do with DNS hosts - in particular, Dyn, one of the biggest DNS companies.ĭomain Name Servers are a core part of the internet's backbone. ET, Dyn said that the incident had been resolved, according to a status update on its website. ET, Dyn said that it was facing a third wave of attacks, CNBC reported.Īround 6:20 p.m.

ET, the issue started to crop up again, according to Dyn, one of the companies at the center of the apparent cyber attack.Īt 4:16 p.m. The affected sites include Amazon, Twitter, Netflix, Etsy, Github, and Spotify. Internet users around the world, but mostly in the US, reported that some top websites were not loading on Friday morning.

Spotify down twitter