EldoS | Feel safer!

Software components for data protection, secure storage and transfer


Instant control over file and folder operations in Windows and .NET applications

CallbackFilter lets you monitor and control disk activity, track file and directory operations (create, read, write, rename etc.), alter file data, encrypt files and much more...

CallbackFilter is a component for use in software development for Windows® platform.


The package is available for licensing under different licenses:

Read more about the differences between various licenses.

Middleware License is a special kind of license, usually needed when you develop some component or library "for sale" (i.e. for licensing to other software developers) and use CallbackFilter as a part of your component or library. If you are interested in getting more details or purchasing Middleware license, you are welcome to request information about licensing terms. Be sure to specify your planned use of CallbackFilter and other details that might be of use in negotiations.


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As of July 15, 2016 EldoS Corporation will operate as a division of /n software inc. For more information, please read the announcement.

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