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Microsoft says the October 2025 Windows security updates are causing smart card authentication and certificate issues due to a change designed to strengthen the Windows Cryptographic Services. [...]
Device Authority's Antill on Secure-by-Design and Continuous AuthenticationMany IoT devices were never designed with modern authentication - making them easy targets. Even when certificates are used for authentication, Darron Antill, CEO of Device Authority, points out that frequent expiration and limited visibility create operational and security risks over time.
Certificate-based authentication comes first and phones last Microsoft wants to take the decision of which multi-factor authentication (MFA) method to use out of the users' hands and into its own.…
Microsoft added certificate-based authentication (CBA) to the Azure Active Directory to help organizations enable phishing-resistant MFA that complies with US federal requirements. The change paves the way for enterprises to migrate their Active Directory implementations to the cloud.
CISA has re-added a security bug affecting Windows devices to its list of bugs exploited in the wild after removing it in May due to Active Directory (AD) certificate authentication issues caused by Microsoft's May 2022 updates. [...]
Two of Microsoft's Patch Tuesday updates need a do-over after causing certificate-based authentication errors.