Hybrid Cloud Security
The latest Hybrid Cloud Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
RSA Key Exchange Flaw in GnuTLS Prompts Emergency Patch for Azure Linux 3.0
Microsoft silently released a critical security update on May 31, 2026, addressing a high-severity vulnerability in GnuTLS that could let attackers decrypt TLS-protected network traffic on Azure...
Windows Admin Center Hybrid Security Risks: Patching, Monitoring, and Best Practices
Microsoft’s Windows Admin Center is once again at the center of a larger security lesson: hybrid management tools can become a bridge for attackers, not just a convenience for administrators. The...
Microsoft Security Copilot Transforms Johannesburg's Cybersecurity Operations with AI-Driven SOC Automation
The City of Johannesburg has deployed Microsoft Security Copilot to automate its Security Operations Center, reducing alert noise by 80% while protecting a complex hybrid infrastructure spanning...
Microsoft Patches Azure Arc Agent Bug That Gives Attackers Full Control of Servers
Microsoft has patched a high-severity vulnerability in its Azure Connected Machine agent that could allow a limited user to gain complete control over a server—and potentially the cloud resources...
Storm-0501 Abuses Entra Connect Sync to Launch Cloud-Based Ransomware, Microsoft Reveals
Storm-0501, a financially motivated threat actor, has pulled off a brazen hybrid attack that began with a compromised on-premises Active Directory, pivoted through Entra Connect Sync to seize Global...
CISA Mandates Immediate Disconnect of EOL Exchange Servers After Black Hat Exploit Demo for CVE-2025-53786
A critical Microsoft Exchange Server vulnerability now carries a binding directive from the U.S. Cybersecurity and Infrastructure Security Agency, following a live demonstration of the exploit at the...
Sophos Central Gets First MDR-Optimized Backup for Microsoft 365
Sophos and Rubrik have combined forces to deliver the industry’s first managed detection and response (MDR)-optimized backup and recovery service nested entirely within a unified security...
CISA Orders Emergency Fix for Exchange Hybrid Bug Allowing 'Total Domain Compromise'
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive requiring federal agencies to patch a severe Microsoft Exchange vulnerability by August 11, warning...
Exchange Hybrid Bug Lets Attackers Quietly Escalate to Cloud Admin — Patch Now
A single compromise on a dusty, overlooked Exchange Server can now silently hand an attacker the keys to your entire Microsoft 365 kingdom — with no alarm raised and no audit trail left behind....
Critical Exchange Hybrid Flaw CVE-2025-53786 Allows Undetectable Privilege Escalation—Patch Now
A dangerous authentication bypass has surfaced in Microsoft Exchange hybrid deployments, prompting coordinated alerts from both Microsoft and the U.S. Cybersecurity and Infrastructure Security Agency...
CVE-2025-53786: The Silent Hybrid Exchange Exploit That Bypasses All Cloud Defenses
Microsoft has issued an urgent warning about a high-severity vulnerability in hybrid Exchange deployments that could let attackers who breach an on-premises server silently escalate their privileges...
Exchange Hybrid Attack Turns On-Prem Admin into Cloud Hijacker: CVE-2025-53786 Exposes Identity Perimeter Crisis
A single compromised on-premises Exchange administrator can now seize control of an organization’s entire Microsoft 365 cloud—for up to 24 hours, with virtually no audit trail. That is the urgent...