Intercept and control filesystem operations in your Windows applications

Struggling with .NET FileSystemWatcher issues and shortcomings? Looking for instant notifications and the ability to modify requests? Want to provide on-the-fly file encryption?

A filter driver library that allows you to track and control filesystem, registry, and process manager operations.

A fully-features FileSystemWatcher replacement component is provided in the product as one of the samples—source code included!

APIs are available for all major languages (.NET, C++, VCL, Python, Go, Java), and a ready-to-use Windows file system filter driver is included. All you have to do is write the user-mode code!

CBFS Filter supports all versions of Windows from Vista through Windows 10 / Windows Server 2019.

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CBFS Filter