Many users in the east coast of the United States were unable to access several popular sites due to an internet outage caused by a Distributed-Denial-of-service (DDOS) attack targeted at internet management company and major DNS provider, Dyn.
The Attack began 7.10am Eastern Time (12.10pm West Central Africa) and was focused on the company’s US East coast name servers. As a result sites like twitter, Reddit and Spotify were affected.
Dyn on their site posted that they were monitoring the attack that resulted in the internet outage.
Starting at 11:10 UTC on October 21st-Friday 2016 we began monitoring and mitigating a DDoS attack against our Dyn Managed DNS infrastructure. Some customers may experience increased DNS query latency and delayed zone propagation during this time. Updates will be posted as information becomes available.
Customers with questions or concerns are encouraged to reach out to our Technical Support Team.
Posted Oct 21, 2016 – 11:10 UTC
This attack is mainly impacting US East and is impacting Managed DNS customers in this region. Our Engineers are continuing to work on mitigating this issue.
Posted Oct 21, 2016 – 12:45 UTC
The outage lasted for about
2 hours before service was restored to normal.
Services have been restored to normal as of 13:20 UTC.
Posted Oct 21, 2016 – 13:36 UTC
A distributed denial-of-service (DDoS) attack occurs when multiple systems flood the bandwidth or resources of a targeted system, usually one or more web servers. Such an attack is often the result of multiple compromised systems (for example, a botnet) flooding the targeted system with traffic.
Dyn is still facing attacks
Massive DDoS continues on the dyn servers. I was facing outages upto few minutes ago https://t.co/BDbd8pWilh
— Nimit Shah (@Nimit_S) October 21, 2016
This DDoS attack on Dyn is causing major problems (to us and everyone!) Hoping we’re at the end of this thing by now https://t.co/g1BgFsvzFt
— Entropy (@entropyhq) October 21, 2016
UPDATE 2: As of around 12 PM ET, Dyn says it’s investigating another DDOS attack, and is continuing to attempt to… https://t.co/CzbZzi5VH6
— LOrion (@LOrion) October 21, 2016
Dyn just sent out a notice that the incident has been resolved. We hope this is the last of the attack.
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