Our Blog

Threema Work

November 25, 2025

HIN and Threema: Secure Communication in the Swiss Healthcare Sector

In medical facilities, the requirements for data protection and security in digital communication are particularly high. To enable healthcare professionals to easily and confidentially exchange information, Threema has partnered with HIN to provide the framework for their messenger service, HIN Talk.

Threema Private

November 21, 2025

On WhatsApp’s Recent Data Leak

This week, various media outlets reported that WhatsApp exposed user data on a massive scale. Some called it the “largest data leak in history,” others said the situation to be worse than one might think at first. We somewhat disagree. A brief assessment.

Threema Private

November 20, 2025

No to Online Surveillance, Yes to Digital Integrity

In response to increasing surveillance on the Internet and the weakening of our privacy that goes along with it, the “digital integrity” movement is forming resistance. In Switzerland, two cantons have already voted decisively to establish a fundamental right to “digital integrity” in their state constitutions. At the end of the month, the canton of Zurich will also vote on this issue.

Threema Private

October 29, 2025

“I have nothing to hide”: Why Privacy Matters

Does this statement make your hair stand on end? Unfortunately, the “nothing to hide” argument has persisted for far too long and often prevents any constructive discussion about privacy protection on the Internet. It’s high time to debunk it.

Threema Private

September 25, 2025

The Unwritten Rules of Chat Communication

Do you think instant messaging is the same as any other form of written communication? Think again. Over time, various unwritten rules have emerged that need to be observed if you want to get your chat message across correctly. We have compiled a few of these rules of etiquette in this (not-quite-serious) blog post.

Threema Private

September 12, 2025

Privacy for Everyone vs. Mass Surveillance for Crime Prevention

Have you ever heard the phrase “I have nothing to hide”? It’s often used by people who advocate government surveillance as a means of combating crime. According to this logic, however, anyone who is not a criminal has nothing to hide and therefore does not need an encrypted communication channel. This assumption is not only wrong, but also quite dangerous.

Threema Work

September 10, 2025

Screen Sharing: Now Available in Threema Work’s Desktop App

Threema Work’s new desktop app (beta) has received an update: it is now possible to share your screen with all participants in group calls on the desktop. This facilitates collaboration and ensures greater clarity in every meeting.

Threema Private

August 29, 2025

How to Protect Your Chats from Prying Eyes

Whether you’re organizing a surprise party, planning a marriage proposal, or running a diary note group, sometimes there are messages or chats that are not meant for prying eyes. In Threema, these chats can be marked as private and even hidden from the chat overview.

Threema Work

August 19, 2025

When Employees Leave: Secure Offboarding with Threema Work

Staff changes are part of every organization. In most cases, there are structured processes in place to ensure that nothing falls through the cracks. With employee departures, it is essential to take communication solutions into account – after all, trade secrets, customer data, and other company information must remain within the company and should not be accessible on the private devices of former employees.