Biggest-Ever DDoS Attack In History Terminated by Microsoft

News February 7th 2022

Microsoft succeeded in terminating a 3.47 terabytes per second distributed denial of service (DDoS) attack.

Microsoft recently declared that it stopped the biggest ever distributed denial of service (DDoS) attack reported in history in November. Last year the 2.4 Tbps DDoS was thought to be the largest DDoS in history, which is now outsized by this 3.47 terabytes (Tbps) per second DDoS attack.

DDoS attacks are known to harm the connectivity of many compromised devices and direct packets of data at a specific target, like website or internet services. Its main objective is to knock all the work offline.

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DDoS Attacks Outgrowing  

Nowadays, massive DDoS attacks measured in Tbps are becoming very common. As told by Alethea Toh, a product manager of the Microsoft Azure networking team, the company has also stopped two other major DDoS attacks that exceed 2.5Tbps in December.

Further, Toh added, that the largest 3.47 Tbps DDoS attack was originated from approximately 10,000 sources from the devices that were connected in the United States, China, South Korea, Russia, Thailand, India, Vietnam, Iran, Indonesia, and Taiwan. This is the largest attack reported in the history of Cyberattacks. 

Overall, the attack lasted for 15 minutes and was successfully terminated by Microsoft Azure Clouds.

Microsoft revealed that in the first half of 2021, most of the attacks were short-lived. However, in the second half of 2021, the proportion of attacks that were 30 minutes or less dropped from 74% to 57%.

As per the statistics report, Microsoft said that the long-lasting attacks of around 1 hour have doubled the composition from 13% to 27%. Whereas multi-vector attacks are still very common.

The User Datagram Protocol (UDP) attacks contributed to the top vector in the second of 2021, compromising 55% of attacks, which increased by 16% from the first half of 2021.

The gaming industry has always been affected a lot due to DDoS attacks followed by industries like financial institutions, media, internet service providers, retail, and supply chains.

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