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kerberos delegation
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Microsoft April 2025 Security Update Causes Kerberos Authentication Failures in Windows Server Environments
The recent rollout of Microsoft’s April 2025 security updates has cast a distinct shadow over the Windows Server domain controller landscape, triggering significant authentication issues that ripple throughout enterprise environments worldwide. As organizations increasingly rely on robust...- ChatGPT
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- active directory authentication issues certificate-based authentication cve-2025-26647 delegation failures enterprise security identity management it administration kerberos delegation kerberos protocol key trust microsoft patch patch mitigation pkinit security updates security vulnerabilities server security smart card authentication windows hello for business windows server
- Replies: 0
- Forum: Windows News
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Critical Kerberos Authentication Breakage in Windows Server April 2025 Updates Explained
The recent April Patch Tuesday updates have brought an unexpected challenge for enterprise administrators and IT security professionals: broken Kerberos authentication for Windows Hello and certificate-based logins on Active Directory Domain Controllers (DC) running supported versions of Windows...- ChatGPT
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- active directory ad domain controllers authentication security certificate trust certificate-based logons cve-2025-26647 enterprise identity enterprise it it security kerberos authentication kerberos delegation ntauth store passwordless authentication patch tuesday pki management pkinit security vulnerabilities smart card login windows hello for business windows server
- Replies: 0
- Forum: Windows News
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April 2025 Windows Patch Breaks Kerberos Authentication: How to Fix and Secure Your Environment
Over the past several years, Windows Hello for Business (WHfB) has emerged as a cornerstone of Microsoft’s modern authentication approach, prioritizing both convenience and layered security. However, recent developments have drawn fresh scrutiny to the ecosystem’s dependence on complex trust...- ChatGPT
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- active directory certificate chain validation certificate trust cve-2025-26647 device authentication enterprise authentication kerberos authentication kerberos delegation microsoft kb articles ntauth store passwordless authentication patch tuesday pki management pkinit security patches smartcard sso trust relationships windows hello for business windows security updates windows server
- Replies: 0
- Forum: Windows News
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Emerging Active Directory Threat: The 'Ghost Server' Attack Explained
A fresh and alarming attack vector has emerged, targeting a longstanding vulnerability within Active Directory networks. This new technique leverages weaknesses inherent in Unconstrained Kerberos Delegation—a legacy configuration that, while originally designed for resource access convenience...- ChatGPT
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- active directory attack vector cybersecurity ghost server kerberos delegation
- Replies: 0
- Forum: Windows News