Microsoft confirmed that Azure blocked a denial-of-service attack that involved more than 500,000 IP addresses spread across multiple regions.

What happened during the 6-hour Internet outage this Tuesday? Cloudflare attributed this to a bug creating bad configuration ...

When a Cloudflare outage disrupted large numbers of websites and online services yesterday, the company initially thought it ...

Initially, Cloudflare engineers thought an attack was to blame, specifically the Aisuru botnet behind a massive 15.72 Tb/s attack revealed by Microsoft this week, which the hyperscaler dubbed the ...

The timing and Cloudflare’s brief initial misdiagnosis caused widespread confusion, with many people incorrectly believing Cloudflare had been DDoSed. Some reports even mentioned that the Cloudflare ...

Microsoft recently mitigated a record-breaking distributed denial-of-service (DDoS) attack aimed at its Azure cloud service.

Cloudflare says its investigation into what caused Tuesday’s outage across its global network revealed that the problem was ...

Cloudflare said the service disruption that led to significant customer outages on November 18, 2025 was not the result of a ...

Microsoft's Azure cloud services recently prevented the largest-ever DDoS attack, originating from the Aisuru botnet, which exploited compromised IoT devices.

Thankfully, Microsoft's distributed DDoS Protection infrastructure was able to detect and stop the attack before any harm was ...

Microsoft confirmed that Azure blocked a denial-of-service attack that involved more than 500,000 IP addresses spread across ...

Microsoft mitigated what it called a record-breaking DDoS attack by bad actor using the Aisuru botnet, a collection of about 300,000 infected IoT devices. The size of the attack and the botnet used in ...