– DDoS attack on Microsoft Azure and Microsoft 365 services caused temporary inaccessibility
– Affected services included Azure App Services, Application Insights, Azure IoT Central, Azure Log Search Alerts, Azure Policy, Azure portal, Microsoft 365 admin center, Intune, Entra, Power Platform
– Azure Front Door and Azure Content Delivery Network components performed below acceptable thresholds due to unexpected usage spike
– Outage triggered by DDoS attack and amplified by error in Azure DDoS defenses implementation
– Microsoft to publish preliminary post-incident review in coming days
– Similar attack on Microsoft services in early June 2023 claimed by Anonymous Sudan hacktivists
– Latest attack involves Meris botnet, consisting of compromised routers and switches.