Social network Twitter, music-streamer Spotify, discussion site Reddit and news site Vox were among the companies whose services were reported to be down on Friday morning. Amazon.com Inc's web services division, one of the world's biggest cloud computing companies, also disclosed an outage that lasted several hours on Friday morning. It was unclear who was responsible for the Dyn attack, which the company said disrupted operations for about two hours. — @DynDyn is a Manchester,N.H.-based provider of services for managing domain name servers (DNS), which act as switchboards connecting internet traffic. Requests to access sites are transmitted through DNS servers that direct them to computers that host websites.

Source: CBC News October 21, 2016 13:54 UTC