In addition, the ability to allow only administrators to install print drivers is contained within the OS. Printer security was a focus, including adding support for RedirectionGuard – which prevents the use of redirection primitives that were not created by an administrator from being followed – to the print service and enabling the CopyFilesPolicy for managing the processing of queue-specific files with the option of limiting such files to color profiles. Further, the 22H2 also corrected a mismatch between what the security baseline documentation said and the accompanying settings for Group Policy for Microsoft Defender Antivirus. This is expected to apply 'across both client and server and helps prevent an application from writing a vulnerable signed driver to disk,' the cloud architect said.Īn added policy will allow admins to lock out an account to thwart brute-force authentication attempts. To reduce an enterprise's attack surface, there will now be a rule blocking the abuse of vulnerable signed drivers from being exploited as a standard part of Microsoft Defender Antivirus Group Policy. Upcoming Outlook for Windows app opens to more testers.

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This will now be run as a protected process, which will strengthen defenses against credential theft, Munck outlined. The deepest sense of what's ahead came from Rick Munck, cloud solution architect in security for Microsoft, the security changes made in Windows 10 are aimed at bulking up protections around driver security, credential theft, printers, and account lockout.įor one thing, Microsoft is enabling Local Security Authority (LSA) – a feature first introduced with Windows 8.1 and is used to validate users when signing in locally or remotely and to enforce local security policies. Beyond these broad sweeps, there wasn't much in the way of technical specifics about the features.

Windows 10 version 22h2