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When Privacy Protection Is Not a Private Matter

In a world where life increasingly takes place online, the protection of privacy and personal data is also becoming more important. To put a spotlight on the significance of privacy protection, the international Data Privacy Day is held every year at the end of January. However, the topic remains relevant far beyond that day – and doesn’t only concern the private sphere.

New Merch Collection in Celebration of Data Privacy Day

Useful, Secure, and Versatile Notes in the Threema App

A group chat with you as the only member? What might sound useless at first is a handy feature in Threema: this “group” can be used as a versatile chat for personal notes. Find out in this blog post in what situations this empty group chat is particularly useful.

Statement on ETH Findings

Last year, a student at the Department of Computer Science at ETH Zurich wrote his master’s thesis on Threema’s communication protocol. ETH Zurich has now published his work as a paper/preprint. The presented findings have been addressed or no longer apply to Threema’s current communication protocol “Ibex.” None of them ever had any considerable real-world impact.

A Decade of Seriously Secure Messaging

Exactly ten years ago today, on 12/12/2012, the first ever Threema version was published in Apple’s App Store.

A Decade of Seriously Secure Messaging

Threema for iOS: Preview of Upcoming Multi-Device Functionality

New Communication Protocol “Ibex” and Extended Protocol Suite

Just in time for the tenth anniversary, Threema introduces “Ibex,” a new cryptographic communication protocol that further solidifies Threema’s time-tested security and future-proofs the overall system. On top of that, the overhauled protocol suite receives additional key components that lay the groundwork for forthcoming features.

Agree/Disagree Feature for Groups