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certificate trust policy
About this tag
The certificate trust policy tag covers discussions about how Windows manages digital signing and certificate authority (CA) trust for application control. Recent content focuses on Microsoft's updated CA handling logic for Windows Application Control for Business (formerly WDAC), which affects how organizations validate the integrity of Windows binaries and drivers. Key themes include the expiration of long-standing Microsoft Issuing Certification Authorities and the resulting impact on enterprise security policies. Administrators and IT professionals will find guidance on adjusting trust policies to maintain secure application execution as certificate authorities change. The tag is relevant for those managing Windows security baselines, code integrity, and trusted publisher rules in enterprise environments.
In a pivotal update for enterprise environments, Windows has rolled out new certificate authority (CA) handling logic for Application Control for Business, formerly known as Windows Defender Application Control (WDAC). As announced in Microsoft’s official support documentation, this adjustment...
application control
application whitelisting
certificatecertificate lifecycle
certificatetrustpolicy
cybersecurity
defender application control
digital signature
digital signing policies
enterprise security
it management
microsoft ca expiration
os security
pki certificate update
pki trust management
security automation
security patch
trust inference
wdac updates
windows security