Azure
Microsoft: Azure hit by 15 Tbps DDoS attack using 500,000 IP addresses
Microsoft said today that the Aisuru botnet hit its Azure network with a 15.72 terabits per second (Tbps) DDoS attack, launched from over 500,000 IP addresses. The attack used extremely high-rate UDP floods that targeted a specific public IP address in Australia, reaching nearly 3.64 billion packets per second (bpps). “The attack originated from Aisuru […]
Microsoft: DNS outage impacts Azure and Microsoft 365 services
Microsoft is suffering an ongoing DNS outage affecting customers worldwide, preventing them from logging into company networks and accessing Microsoft Azure and Microsoft 365 services. According to reports on DownDetector and social networks, this incident began impacting Microsoft’s services almost 1 hour ago and is currently causing server and website connection issues for tens of thousands of users. Some of […]
Azure outage blocks access to Microsoft 365 services, admin portals
Microsoft is working to resolve an outage affecting its Azure Front Door content delivery network (CDN), which is preventing customers from accessing some Microsoft 365 services. According to Redmond, the incident began around 07:40 UTC, with delays and timeouts across Europe, Africa, and the Middle East when connecting to the Azure and Entra portals. Since […]
Microsoft now enforces MFA on Azure Portal sign-ins for all tenants
Microsoft says it has been enforcing multifactor authentication (MFA) for Azure Portal sign-ins across all tenants since March 2025. The company’s Azure MFA enforcement efforts were announced in May 2024 when Redmond began implementing mandatory MFA for all users signing into Azure to administer resources. One year ago, in August 2024, Microsoft also warned Entra global admins to […]
Microsoft to enforce MFA for Azure resource management in October
Starting in October, Microsoft will enforce multi-factor authentication (MFA) for all Azure resource management actions to protect Azure clients from unauthorized access attempts. This change is part of the company’s Secure Future Initiative (SFI), will be applied gradually across tenants worldwide, and it requires users to enable MFA on Azure CLI, PowerShell, SDKs, and APIs to ensure […]
Storm-0501 hackers shift to ransomware attacks in the cloud
Microsoft warns that a threat actor tracked as Storm-0501 has evolved its operations, shifting away from encrypting devices with ransomware to focusing on cloud-based encryption, data theft, and extortion. The hackers now abuse native cloud features to exfiltrate data, wipe backups, and destroy storage accounts, thereby applying pressure and extorting victims without deploying traditional ransomware encryption […]
Windows KB5064489 emergency update fixes Azure VM launch issues
Microsoft has released an emergency update to fix a bug that prevents Azure virtual machines from launching when the Trusted Launch setting is disabled and Virtualization-Based Security (VBS) is enabled. The bug impacted Windows Server 2025 and Windows 11 24H2 and was introduced during the July Patch Tuesday security updates. “This update addresses an issue that prevented […]
Microsoft: Windows 11 might fail to start after installing KB5058405
Microsoft has confirmed that some Windows 11 systems might fail to start after installing the KB5058405 cumulative update released during this month’s Patch Tuesday. On affected devices, users see 0xc0000098 recovery errors in ACPI.sys, warning that the device has to be repaired because the operating system couldn’t be loaded. ACPI.sys is the Windows Advanced Configuration […]
Windows Server emergency update fixes Hyper-V VM freezes, restart issues
Microsoft has released an emergency update to address a known issue causing some Hyper-V virtual machines with Windows Server 2022 to freeze or restart unexpectedly. These problems mainly impact Azure confidential VMs, which are designed to protect data while being processed, not just when it’s transmitted or stored. Redmond has addressed this issue with the […]
Commvault says recent breach didn’t impact customer backup data
Commvault, a leading provider of data protection solutions, says a nation-state threat actor who breached its Azure environment didn’t gain access to customer backup data. Listed on NASDAQ since March 2006, Commvault is included in the S&P MidCap 400 Index and provides cyber resilience services to over 100,000 organizations. As the company first revealed on March 7, […]