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Microsoft Mitigates Record-Breaking 15.72 Tbps DDoS Attack

Source: Record-breaking DDoS attack against Microsoft Azure mitigated (2025-11-20)

In October 2025, Microsoft successfully neutralized a historic DDoS attack against its Azure cloud platform, marking the largest single attack ever recorded in the cloud at 15.72 Tbps and nearly 3.64 billion packets per second. This multivector assault was linked to the Aisuru botnet, which primarily exploits compromised home routers and cameras, especially in the United States. The attack was part of a surge in DDoS activity involving high-impact botnets like TurboMirai, which have been increasingly targeting internet gaming platforms and critical infrastructure. Recent developments reveal that cybercriminal groups are leveraging AI-driven automation to orchestrate even more potent attacks, with some reaching over 20 Tbps, posing unprecedented threats to global network security. The rise of such sophisticated botnets underscores the urgent need for enhanced cybersecurity measures, including improved router security, real-time threat detection, and international cooperation to dismantle these malicious networks. Microsoft’s swift mitigation highlights the importance of resilient cloud infrastructure and proactive defense strategies in safeguarding digital assets amid evolving cyber threats. As cybercriminals continue to innovate, organizations worldwide must prioritize cybersecurity investments and stay informed about emerging attack vectors to protect their operations and data integrity.

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