Cybersecurity incident — 2015-12-09 00:00:00
Affected organization: DNS root servers
Affected country: Undetermined
Industry: Information
Event type: Disruptive
Event subtype: External Denial of Service
Motive: Undetermined
Actor: Undetermined
Actor type: Criminal
Actor country: Undetermined

On November 30, 2015 and December 1, 2015, over two separate intervals, several of the Internet Domain Name System's root name servers are the target of a massive DDoS attack.