Threema

After an attack on a Threema service provider, the messenger was unusable for hours on Tuesday. On Wednesday, the attacks continue.

Under EU regulations, WhatsApp had to be opened for chats with other messengers. Threema continues to reject this, not just for data protection reasons.

Several recent news reports have sparked discussion in the IT community and raised questions among some of our users. One topic is the view that paid online services are incompatible with anonymity - and therefore with strong data protection. Another is t

The Swiss messenger Threema is collaborating with IBM Research to make its chats quantum-safe. The goal is protection against quantum computers.

Zum 12. Januar 2026 wurde bekannt, dass der Schweizer Anbieter eines Instant-Messengers, Threema, durch die Investmentfirma Comitis Capital GmbH übernommen…

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 no

There are always new attempts by governments to systematically monitor Internet users for no reason. However, mass surveillance is not only unsuitable for fighting crime, it is also completely incompatible with democratic principles and poses a considerab

The secure instant messenger from Switzerland. GDPR-compliant messaging for individuals and organizations that value privacy, security and data protection.