Siem
The latest Siem coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-54099: Windows Winsock Driver Stack Overflow Threatens SYSTEM Access
A stack-based buffer overflow in the Windows Ancillary Function Driver for WinSock (afd.sys) can be exploited by local attackers to seize SYSTEM privileges, Microsoft disclosed in a security...
Microsoft Patches CVE-2025-53798: RRAS Memory Leak Exposes VPN Gateways to Data Theft
Microsoft has released a vendor update to patch CVE-2025-53798, an information-disclosure vulnerability in the Windows Routing and Remote Access Service (RRAS) that allows an attacker to read...
Microsoft Ships Audit-First SMB Hardening to Discover Incompatible Clients Before Enforcement
Microsoft has rolled out built‑in auditing for two critical SMB server hardening features—signing and Extended Protection for Authentication (EPA)—giving administrators a safe,...
Only 17% of Organizations Have Technical Controls for AI Data, Survey Finds, as Third-Party Risks Spiral
A staggering 83% of organizations lack the technical controls needed to stop employees from feeding sensitive data into public AI tools, according to a new survey from Kiteworks. The 2025 report,...
Copilot Studio Now Intercepts Agent Actions for Real-Time Security Vetoes
Microsoft has shifted the security model for its Copilot Studio from passive guardrails to active, inline enforcement. Organizations can now route an AI agent’s planned actions—including prompts,...
Copilot Studio Now Lets Security Teams Block Agent Actions in Under One Second
Microsoft has handed enterprise defenders a powerful new capability: the ability to inspect and veto every planned action of an autonomous AI agent before execution, all within a single second....
Uncovering Every Windows Server Logon: A Practical Guide to Tools, Automation, and Forensic Auditing
Windows Server administrators juggle a dozen utilities to answer one deceptively simple question: Who is logged on right now? The answer matters because orphaned Remote Desktop sessions eat CPU...
Inside California's Urgent Hunt for Cybersecurity, Database, and IT Architecture Leaders
Three high-profile public-sector IT recruitments announced in early September 2025—at the California Department of Technology (CDT), the Franchise Tax Board (FTB), and the Superior Court of Santa...
Microsoft Ships Covert Copilot Agent Diagnostic to Slash Teams Deployment Woes
Microsoft has stealthily rolled out a new Copilot Agent Functionality Diagnostic, a targeted validator that lets IT teams automatically surface the licensing, permissions, and tenant...
Behind CVE-2025-55241: Why the MSRC Advisory Is Sparking a Hunt for Windows Exploit Defenses
Microsoft's Security Response Center published advisory CVE-2025-55241, and within hours, security practitioners weren't just scanning for patches—they were demanding deep-dive guidance on...
CVE Confusion Hits Microsoft Dynamics 365 FastTrack: Urgent Patch Needed for Info-Disclosure Flaw
Microsoft's Dynamics 365 FastTrack Implementation Assets have been thrust into the security spotlight following an information disclosure vulnerability that lets attackers harvest private data over a...
Hanmi Pharma’s 5G AI PC Strategy: Surface Copilot+ and M365 Copilot Transform Field Sales
Hanmi Pharmaceutical, one of South Korea’s largest R&D-driven drug developers, has equipped its entire field sales force with 5G-connected Surface Copilot+ PCs and deployed Microsoft 365...