Windows Authentication
The latest Windows Authentication coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows Kerberos NTLM Hardening Breaks Sysprep/Clone Authentication: Event 6167 Explained
Windows administrators deploying cloned or sysprepped images are hitting authentication failures after recent security updates. Microsoft's hardening changes to Kerberos and NTLM protocols now...
PowerShell GUI RemoteApp Deployment: Authentication & Backup Challenges
Deploying PowerShell-based graphical applications through Microsoft RemoteApp presents a compelling solution for organizations needing to provide Windows-specific tools to non-Windows clients while...
Healthcare orgs face patient data breaches: patch Mirion NMIS BioDose to v23.0+ now
The healthcare cybersecurity landscape faces another critical threat as Mirion Medical's EC2 Software NMIS/BioDose radiation dose management system has been found to contain multiple high-severity...
Windows Authentication Crisis: Duplicate SIDs After August 2025 Updates
Microsoft has confirmed a critical authentication regression affecting Windows 11 and Windows Server systems that began appearing after late-summer cumulative updates in August 2025. The issue,...
CVE-2025-59275: Critical Windows Auth Privilege Escalation Vulnerability Analysis
Microsoft has disclosed a high-severity elevation-of-privilege vulnerability in Windows Authentication Methods, designated CVE-2025-59275, that could allow attackers to gain SYSTEM-level privileges...
Windows NEGOEX Integer Overflow Lets Attackers Escalate to SYSTEM—Patch Now
Microsoft has released a security update to plug a critical elevation-of-privilege hole in the Windows NEGOEX authentication mechanism. Tracked as CVE-2025-54895, the flaw stems from an integer...
SendQuick Conexa Claims FIDO2 Server Certification, Paving the Way for Phishing-Resistant Windows Sign-Ins
SendQuick's Conexa authentication platform has achieved FIDO2 server certification from the FIDO Alliance, the company announced, positioning the multi-factor authentication platform as a...
Black Hat Demo Exposes Windows Hello Biometric Flaw: Admin Rights Enable Face Injection Attack
German security researchers at the Black Hat USA 2025 conference in Las Vegas have demonstrated a stark vulnerability in Microsoft’s Windows Hello biometric authentication system. The live demo...
Critical Windows Vulnerability CVE-2025-47981: Urgent Patching Needed to Prevent Wormable RCE Attacks
Microsoft's July 2025 Patch Tuesday addressed a critical, wormable remote code execution (RCE) vulnerability, CVE-2025-47981, impacting Windows systems. This flaw resides within the SPNEGO Extended...
Windows 10 22H2 Build 19045.6029: Key Fixes, Improvements & What's New
Microsoft has rolled out Windows 10 22H2 Build 19045.6029 (KB5061087) to the Release Preview Channel, marking another step in refining the operating system's stability and performance. This update...
2025 Guide: Protect Enterprise AD from Authentication Coercion Attacks
Few developments in enterprise cybersecurity have proved as persistent—and as adaptive—as Windows authentication coercion attacks. Despite years of steady security investments by Microsoft and...
Enhancing Windows Security: Strategies to Harden NTLM Authentication and Safeguard Credentials in 2025
Introduction In the ever-evolving landscape of cybersecurity, legacy protocols like NTLM (NT LAN Manager) continue to pose significant security risks. Despite being deprecated, NTLM remains prevalent...