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Microsoft Mitigates Record 15.72 Tbps DDoS Attack Driven by AISURU Botnet
Microsoft on Monday disclosed that it automatically detected and neutralized a distributed denial-of-service (DDoS) attack targeting a single endpoint in Australia that measured 15.72 terabits per second (Tbps) and nearly 3.64 billion packets per second (pps).
The tech giant said it was the largest DDoS attack ever observed in the cloud, and that it originated from a TurboMirai-class Internet of Things (IoT) botnet known as AISURU. It's currently not known who was targeted by the attack.
"The attack involved extremely high-rate UDP floods targeting a specific public IP address, launched from over 500,000 source IPs across various regions," Microsoft's Sean Whalen said.
"These sudden UDP bursts had minimal source spoofing and used random source ports, which helped simplify traceback and facilitated provider enforcement."
Azure blocks record 15 Tbps DDoS attack as IoT botnets gain new firepower
Azure has blocked its largest DDoS attack to date, a 15.72 Tbps strike linked to the Aisuru IoT botnet that also surged to nearly 3.64 billion packets per second and targeted a single cloud endpoint in Australia, Microsoft said.
“The attack involved extremely high-rate UDP floods targeting a specific public IP address, launched from over 500,000 source IPs across various regions,” the company wrote in a blog. “These sudden UDP bursts had minimal source spoofing and used random source ports, which helped simplify traceback and facilitated provider enforcement.”
Microsoft added that Azure’s DDoS Protection platform automatically detected and mitigated the attack, filtering and redirecting malicious traffic without any disruption to customer workloads.
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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
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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 help prevent future attacks.
Distributed Denial of Service (DDoS) attacks use botnets of infected systems and devices to send unprecedented quantities of traffic to particular sites and servers in order to overwhelm them. It's a brute-force method to bring down services that can be particularly effective if safeguards aren't in place.
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