Twitter is Down Due to Cyberattack

(CBS NEWS) Twitter experienced renewed outages Friday afternoon following hours of internet disruption that took down numerous sites earlier in the morning across the U.S. East Coast. 

A wave of reports of problems accessing many popular websites came after the servers at a major internet management firm were hit by a cyberattack.

New Hampshire-based Dyn said its server infrastructure suffered a distributed denial-of-service (DDOS) attack, which occurs when a system is overwhelmed by malicious electronic traffic.

In a statement provided to CBS News, the U.S. Department of Homeland Security said it was aware of the attack and is “investigating all potential causes.”

The scale of the attack led to suspicions that it might be state sponsored, but ZDNet security editor Zack Whittaker said the evidence is not yet clear. “It may or may not have been sponsored by some state-sponsored actor, at this point it’s simply too early to tell,” he told CBS News.

DDOS attacks are nothing new, but Whittaker said they’ve been getting “worse and worse” recently, and this one “must be off the charts.”

Dyn issued a series of statements about the service disruption early Friday local time, tweeting that as of 9:20 a.m. ET, “services have been restored to normal.” 

However, the company detected another wave of DNS attacks just before noon and acknowledged that the problem was not yet solved. “We are continuing to mitigate a DDoS against our Managed DNS network,” it said. 

The level of disruption caused was hard to gauge, but Dyn provides internet traffic optimization to some of the biggest names on the web, including TwitterNetflix, Airbnb, Spotify, Visa and others, and users of many sites were reporting problems.

The site, which tracks service outages, lit up with reports of problems accessing Twitter and other sites Friday morning.

According to CNET, Twitter initially reported that during a two-hour window, “various Twitter domains including may have been inaccessible for users in some regions, due to failures resolving particular DNS hostnames.” 

Several hours later, Twitter reported the problems were back: “The earlier issues have resurfaced & some people may still be having trouble accessing Twitter. We’re working on it!” 

Several sites, such as coder hangout Github, said they were experiencing problems, although it was not immediately clear whether the issues were linked to the cyberattack.

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