The attacks came in geographically shifting waves and from IP addresses from around the world. Tens of millions of malware - infected devices , including webcams and thermostats , were to used to attack the servers at Dyn , one of the largest internet content management providers , according to the company 's Chief Strategy Officer Andrew York . The " very smart " attack led to disrupted access to thousands of sites including Twitter , Facebook and Spotify . A group of around 100 members , mostly located in Russia , called New World Hackers claimed responsibility . The group encouraged people to clean their websites and " get better services " .
Tens of millions of malware - infected devices , including webcams and thermostats , were to used to attack the servers at Dyn , one of the largest internet content management providers , according to the company 's Chief Strategy Officer Andrew York . The " very smart " attack led to disrupted access to thousands of sites including Twitter , Facebook and Spotify . A group of around 100 members , mostly located in Russia , called New World Hackers claimed responsibility . The group encouraged people to clean their websites and " get better services " .