Microsoft Outsmarts Aisuru Botnet: Largest Cloud DDoS Attack Ever at 15.7 Tbps!
Microsoft mitigated the largest cloud DDoS ever recorded at 15.7 Tbps, courtesy of the Aisuru botnet’s 500,000 IP attack on Azure. The internet’s version of a heavyweight boxing match, but with data packets instead of punches!

Hot Take:
Microsoft played whack-a-mole with the biggest cloud DDoS attack ever, swatting down a staggering 15.7 Tbps assault from the Aisuru botnet. It’s like playing dodgeball against a team of 500,000 angry routers and cameras, but Microsoft managed to keep everything up and running like a champ. Who knew defeating cyber villainy could be cooler than a superhero movie?
Key Points:
- Microsoft faced a record-breaking 15.7 Tbps DDoS attack on October 24, 2025, targeting Azure services.
- The attack, launched by the Aisuru botnet, involved over 500,000 IPs using massive UDP floods.
- Azure’s global protection network successfully mitigated the attack, ensuring continued service.
- The Aisuru botnet is a Turbo Mirai-class IoT botnet using compromised home devices like routers and cameras.
- Cybersecurity firms note this trend of increasing attack sizes due to faster internet and more powerful devices.
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