Authorities monitoring cyberattacks that knocked major websites offline

U.S. authorities are monitoring a series of cyberattacks that shut down user access to numerous popular websites across the East Coast on Friday.

Dyn, an internet infrastructure company that provides traffic management for websites, reported Friday morning that it was hit twice by distributed denial-of-service (DDoS) attacks. Such attacks work by flooding servers with junk traffic that slow down their operational capabilities.

Companies including Twitter, Spotify, Netflix and Amazon experienced issues that shut down their websites for portions of the day.

White House press secretary Josh Earnest said the Department of Homeland Security is “monitoring the situation” but that there was no available information on “who may be responsible for this malicious activity.”

Dyn provides Domain Name System (DNS) services, acting as phone book for the internet and translating website names into IP addresses.

The New Hampshire-based company reported about 7 a.m. Friday that it “began monitoring and mitigating a DDoS attack against our Dyn Managed DNS infrastructure.”

Two hours later, Dyn reported through updates on its website that services had been restored.

But a second attack struck and caused additional problems later in the day.

By 3 p.m., Dyn reported that all issues appeared to have been resolved.

“At this time, the advanced service monitoring issue has been resolved. Our engineers are still investigating and mitigating the attacks on our infrastructure,” the company said in a statement.

 

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