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Defending the cloud: Azure neutralized a record-breaking 15 Tbps DDoS attack

12 hours ago
https://techcommunity.microsoft.com/blog/azureinfrastructureblog/defending-the-cloud-azure-neutralized-a-record-breaking-15-tbps-ddos-attack/4470422
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  • #Cybersecurity
  • #Azure
  • #DDoS
  • Azure DDOS Protection mitigated a record-breaking 15.72 Tbps DDoS attack on October 24, 2025.
  • The attack targeted a single endpoint in Australia and involved UDP floods from over 500,000 source IPs.
  • Originating from the Aisuru botnet, the attack exploited compromised IoT devices, mainly in residential ISPs.
  • Azure's global infrastructure successfully filtered malicious traffic, ensuring uninterrupted service.
  • Attack sizes are increasing with faster internet speeds and more powerful IoT devices.
  • Proactive measures, including regular DDoS simulations, are recommended to ensure readiness.
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