Secure messaging on the SINA Workstation


Overview of your advantages

End-to-End Encrypted Messenger With File Storage for all SINA Users

Secure Messaging on the SINA Workstation

Use the full potential of your SINA Workstation. With stashcat on the secunet desktop, you can exchange text messages, files, images and video material securely and quickly. The offer to use Germany’s most popular authority messenger is permanently free of charge for SINA users.


We will be happy to advise you on the implementation!

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This is how stashcat works

You want uncompromising security for your authority communication, in combination with the best possibilities of modern messaging? stashcat is the messenger you can use to professionalize your communication: With true end-to-end encryption, you use a GDPR compliant communication and collaboration tool „Made in Germany“. We develop the business messenger with companies for companies.

Your Advantages

Use stashcat for organizations of any size with a wide range of functions permanently free of charge!

Secure, easy and without effort.

The Right Functions
in Your Business Messenger

Get a detailed overview of the functions and convince yourself of the easy usability.

Upgrade possible

Get even more out of your Business Messenger with an upgrade! With the Professional or Enterprise package, you can expand the extensive functions with options for administration and user management.


In it, settings can be made for users and contact groups, channels and e-mail templates, as well as predefined user statuses. Create any number of user roles. Each role can be assigned individual permissions. Administrators can also view privacy contracts and templates, as well as usage statistics.

Download presentation

You want to inform your team or your superior and convince them that the implementation of stashcat offers a lot of added value? Then this presentation will help you.

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stashcat in use at 10,000+ companies, public authorities and institutions