Security News > 2024 > July > 'Error' in Microsoft's DDoS defenses amplified 8-hour Azure outage

Do you have problems configuring Microsoft's Defender? You might not be alone: Microsoft admitted that whatever it's using for its defensive implementation exacerbated yesterday's Azure instability.

Microsoft has published its strategy to defend against network-based DDoS attacks, noting it was unique due to the global footprint of the company.

"This intelligence, along with information gathered from online services and Microsoft's global customer base, continuously improves Microsoft's DDoS defense system that protects all of Microsoft online services' assets."

Microsoft Dynamics 365 called out for worker surveillance Microsoft remains massively profitable, investors await AI payoff Can't get Minecraft, MongoDB Cloud, others to work today? Blame that Azure outage Microsoft's Azure networking takes a worldwide tumble.

The problem was global and affected a subset of customers attempting to connect to services, including Azure App Services, Application Insights, Azure IoT Central, Azure Log Search Alerts, Azure Policy, the Azure portal itself, and a subset of Microsoft 365 and Microsoft Purview services.

According to Microsoft the incident lasted from approximately 1145 UTC to 1943 UTC, although the company reckoned the majority of the impact was successfully mitigated by 1410 UTC. The problem wasn't declared over until 2048 UTC. We contacted Microsoft to learn more about the implementation of its DDoS defenses, but the company has yet to respond.

News URL

https://go.theregister.com/feed/www.theregister.com/2024/07/31/microsoft_ddos_azure/