Note: You can go to the Learning Center to learn about DDoS. If you tried to connect to a website that used Dyn for support during the down period, you would have received an error message saying the site was unavailable.According to cybersecurity experts, DDoS attacks are hard to combat “because it’s hard to distinguish legitimate traffic from botnet traffic.”.A DDoS attack, instigated and coordinated by hackers, floods a website’s server with so many Internet requests that it cannot respond to actual customers’ normal requests for service.The attack was the DDoS variety: Distributed Denial of Service.Early news reports said Dyn was getting millions of messages from “around the globe sent by seemingly harmless but Internet-connected devices.”.As news of the attack hit the airwaves, the term “DDoS” was a top trending topic on the major search engines.It ended at 6:17 p.m., when Dyn updated its website to say it had resolved the large-scale distributed denial of service attack and service had been restored.The attack was first reported on a website called Hacker News, under the title “Massive Dyn DNS outage.”.Dyn first posted on its website that it “began monitoring and mitigating a DDoS attack against our Dyn Managed DNS infrastructure.” The attack blocked out millions of users from reaching their favorite websites and online services in late October 2016.By knocking Dyn offline for 11+ hours, computer users on the East Coast of the U.S were not able to reach Tumblr, PayPal, etc.Dyn’s service links the domain names people key in, such as “” to that’s website’s IP address.

The websites (and their customers) that were affected included:.Dyn provides Internet support services to some of the top websites in the country. The directly attacked website was Dyn, a company that that routes and monitors Internet traffic.Here’s a close look at the anatomy of a hack that’s all too common. Just another hack story, right? Yes, but you should know how it happened because it may encourage you to change some of your online behavior to stay safe. In October of 2016, an online company that monitored and routed Internet traffic for millions of people went down for almost 12 hours. They will seize any opportunity to take down websites or prevent you from reaching the websites you want to visit.

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