Microsoft Azure Blocks Largest DDoS Attack in History — attack equivalent to streaming 3.5 million Netflix movies at once, 15.72 Terabits per Second from 500,000 IP addresses tied to IoT botnet

November 19, 2025

, By Tom’s Hardware

Microsoft Azure Blocks Largest DDoS Attack in History — attack equivalent to streaming 3.5 million Netflix movies at once, 15.72 Terabits per Second from 500,000 IP addresses tied to IoT botnet

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Microsoft‘s Azure has mitigated the largest botnet attack in history, with over 500,000 devices used to send up to 15.72 terabits per second to a single cloud endpoint in Australia, which is roughly equivalent to 3.5 million Netflix movies streamed simultaneously per-second.

In a blog post, Microsoft claims the Azure DDoS protection was able to detect the attack and filter the traffic so customers remained unaffected, but urged organizations to validate the security on any internet-facing devices to…

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Microsoft Azure Blocks Largest DDoS Attack in History — attack equivalent to streaming 3.5 million Netflix movies at once, 15.72 Terabits per Second from 500,000 IP addresses tied to IoT botnet

November 19, 2025

, Published By Tom’s Hardware

Microsoft Azure Blocks Largest DDoS Attack in History — attack equivalent to streaming 3.5 million Netflix movies at once, 15.72 Terabits per Second from 500,000 IP addresses tied to IoT botnet

Microsoft‘s Azure has mitigated the largest botnet attack in history, with over 500,000 devices used to send up to 15.72 terabits per second to a single cloud endpoint in Australia, which is roughly equivalent to 3.5 million Netflix movies streamed simultaneously per-second.

In a blog post, Microsoft claims the Azure DDoS protection was able to detect the attack and filter the traffic so customers remained unaffected, but urged organizations to validate the security on any internet-facing devices to…

Disclaimer

We strive to uphold the highest ethical standards in all of our reporting and coverage. We StartupNews.fyi want to be transparent with our readers about any potential conflicts of interest that may arise in our work. It’s possible that some of the investors we feature may have connections to other businesses, including competitors or companies we write about. However, we want to assure our readers that this will not have any impact on the integrity or impartiality of our reporting. We are committed to delivering accurate, unbiased news and information to our audience, and we will continue to uphold our ethics and principles in all of our work. Thank you for your trust and support.

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Previous News

7 things you need to remember before ‘Stranger Things’ season 5

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Don’t Miss This Deal: A Microsoft Surface SE Is Now Under $200

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