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Submission: On July 31 via api from TR — Scanned from DE
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* News * Features * Expert analysis * Videos * Events * Whitepapers * Industry news * Product showcase * Newsletters * * * Please turn on your JavaScript for this page to function normally. Zeljka Zorz, Editor-in-Chief, Help Net Security July 31, 2024 Share MICROSOFT: DDOS DEFENSE ERROR AMPLIFIED ATTACK ON AZURE, LEADING TO OUTAGE A DDoS attack that started on Tuesday has made a number of Microsoft Azure and Microsoft 365 services temporarily inaccessible, the company has confirmed. MICROSOFT’S MITIGATION STATEMENT ON THE AZURE STATUS HISTORY PAGE MICROSOFT AZURE, 365 OUTAGE TRIGGERED BY DDOS “Between approximately at 11:45 UTC and 19:43 UTC on 30 July 2024, a subset of customers may have experienced issues connecting to a subset of Microsoft services globally. Impacted services included Azure App Services, Application Insights, Azure IoT Central, Azure Log Search Alerts, Azure Policy, as well as the Azure portal itself and a subset of Microsoft 365 and Microsoft Purview services,” Microsoft said. “An unexpected usage spike resulted in Azure Front Door (AFD) and Azure Content Delivery Network (CDN) components performing below acceptable thresholds, leading to intermittent errors, timeout, and latency spikes.” Users were also unable to access some Microsoft 365 services – Microsoft 365 admin center, Intune, Entra and Power Platform – but SharePoint Online, OneDrive for Business, Microsoft Teams and Exchange Online remained accessible and responsive. Microsoft said that the outage was triggered by a Distributed Denial-of-Service (DDoS) attack, and that its effect was amplified by an error in the implementation of Azure DDoS defenses. The company has promised to publish a preliminary post incident review in the coming days, to detail what happened and how they responded. THIS IS NOT THE FIRST TIME THIS HAPPENED Microsoft’s services have been similarly hit in early June 2023. And, as security researcher Kevin Beaumont noted, Microsoft tried to keep the incident from getting a lot of public attention. That attack was claimed by Anonymous Sudan hacktivists – or, as Microsoft tracks them, Storm-1359. The group used a collection of botnets and tools to “launch DDoS attacks from multiple cloud services and open proxy infrastructures,” the company said after the attack. This latest attack, according to Beaumont, involves the Meris botnet, which mostly consists of compromised routers and switches. I have read and agree to the terms & conditions Leave this field empty if you're human: More about * botnet * DDoS * Microsoft * Microsoft 365 * Microsoft Azure Share FEATURED NEWS * Microsoft: DDoS defense error amplified attack on Azure, leading to outage * What CISOs need to keep CEOs (and themselves) out of jail * Secretive: Open-source app for storing and managing SSH keys in the Secure Enclave Whitepaper: DevSecOps Blueprint SPONSORED * eBook: Cloud security skills * Download: The Ultimate Guide to the CISSP * eBook: Do you have what it takes to lead in cybersecurity? DON'T MISS * SMS Stealer malware targeting Android users: Over 105,000 samples identified * Microsoft: DDoS defense error amplified attack on Azure, leading to outage * What CISOs need to keep CEOs (and themselves) out of jail * Secretive: Open-source app for storing and managing SSH keys in the Secure Enclave * Leveraging dynamic configuration for seamless and compliant software changes Cybersecurity news Daily Newsletter Weekly Newsletter (IN)SECURE - monthly newsletter with top articles Subscribe I have read and agree to the terms & conditions Leave this field empty if you're human: © Copyright 1998-2024 by Help Net Security Read our privacy policy | About us | Advertise Follow us ×