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Attack on web provider disrupts some sites on U.S. East Coast

(Reuters) - Service of some major internet sites was disrupted for several hours on Friday morning as internet infrastructure provider Dyn said it was hit by a cyber attack that disrupted traffic mainly on the U.S. East Coast.

(Reuters) - Service of some major internet sites was disrupted for several hours on Friday morning as internet infrastructure provider Dyn said it was hit by a cyber attack that disrupted traffic mainly on the U.S. East Coast.

Social network Twitter, music-streamer Spotify, discussion site Reddit and The Verge news site 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. Amazon could not immediately be reached for comment.

It was unclear who was responsible for the Dyn attack, which the company said disrupted operations for about two hours.

It is the latest in an increasingly menacing string of "denial of service" attacks disruptinginternet sites by overwhelming servers with web traffic. The U.S. Department of Homeland Security warned on Oct. 14 that hackers were infecting routers, printers, smart TVs and other connected devices to build powerful armies of "bots" that can shut down websites.

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Doug Madory, director of internet analysis at Dyn, told Reuters he was not sure if the outages at Dyn and Amazon were connected.

“We provide service to Amazon but theirs is a complex network so it is hard to be definitive about causality at the moment,” he said.

Salesforce.com Inc's Heroku cloud-computing service platform, which runs on Amazon Web Services, disclosed a service outage that it said was related to a denial of service attack "against one of our DNS providers."

Dyn said it was still trying to determine how the attack led to the outage.

"Our first priority over the last couple of hours has been our customers and restoring their performance," Dyn Executive Vice President Scott Hilton said in a statement.

He said the problem was resolved at about 9:20 a.m. EDT (1320 GMT). It earlier reported its engineers were working to respond to an "attack" that mainly affected users on the East Coast.

An FBI representative said she had no immediate comment.

Dyn is a Manchester, New Hampshire-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.

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Dyn's customers include some of the world's biggest corporations and Internet firms, such as Pfizer, Visa, Netflix and Twitter, SoundCloud and BT.

Attacking a large DNS provider can create massive disruptions because such firms are responsible for forwarding large volumes of internet traffic.

Related Topics: INTERNET
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