Dyn

DNS provider Dyn site was hit by a significant distributed denial-of-service (DDoS) attack.

Web-users were struggling to reach some of the world’s most well-known websites – including Twitter, Spotify, Github, Reddit, and Airbnb after the DDoS attack.

Source: https://www.bitdefender.com/blog/hotforsecurity/ddos-attack-against-dns-provider-knocks-major-sites-offline

"id": "DYN12547622",
"linkid": "dyn",
"type": "Cyber Attack",
"date": "10/2016",
"severity": "60",
"impact": "2",
"explanation": "Attack limited on finance or reputation"