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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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- 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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Improved cryptography infrastructure and the June 2013 bulletins
It was just over one year ago, May 28, 2012, to be exact, that I transitioned from running active MSRC cases and writing bulletins to my current role managing software security incidents. A lot has changed in that year - and I’ve dealt with some interesting issues during my tenure - but...- News
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- Forum: Security Alerts