Android mascot beside a secure vault with lock and key icons.
Threema Private

Local Data Security with Android Keystore

Protecting locally stored data is a crucial aspect of any secure messaging app, particularly when server-side storage is intentionally avoided, as is the case with Threema. On Android, the Keystore offers a system-level solution for securely managing cryptographic keys.
Threema Private

Cyberattack on Politicians: Security Is More Than Encryption

The wave of attacks targeting Signal and WhatsApp users has not only reached top-level politicians in Germany but also sparked confusion: while some speak of a “hack,” others blame the victims. Here’s why both takes fall short.
Smartphone displaying a chat conversation with text, voice message, image, and location, featuring the new Liquid Glass design.
Threema Private

Liquid Glass and a More Modern UI in Threema for iOS

New design, redesigned workflows, and additional features: Threema 7.1 for iOS offers more than just Liquid Glass.
Speech bubbles with exclamation and question marks on a green background with Easter eggs.
Threema Private

Get the Message? Of Ghosting, Dry Texting, and Left on Read

Have you ever heard someone say they were “ghosted” and had no idea what it means? Or are you unsure what “dry texting” and being “left on read” is? In this blog post, we explain some common Internet slang terms and concepts relating to instant messaging.
Hand holding a keyring with a key and the Threema icon.
Threema Private

Why There’s No Such Thing as a Threema User Account

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 the risk of user accounts being hijacked through identity spoofing, which current events have brought back into focus.
Illustration of a quantum computer’s dilution refrigerator with stacked golden platforms and glowing purple rings representing qubits.
Threema Private

Threema and IBM Research: Collaboration for a Quantum-Secure Future

We are joining forces with IBM’s renowned research division to implement post-quantum cryptography in Threema. This collaboration will further strengthen Threema’s exceptional security standards, ensuring that our communication solutions are prepared for future threat scenarios.
Hand holding a smartphone with a settings menu, surrounded by contact avatars.
Threema Private

Recommend Threema Work and Earn a Reward

Do you use the Threema Private app and know professionals who might be interested in a secure business messenger? Recommend Threema Work and earn a bonus!
Illustration of hands holding a smartphone with a multiple-choice quiz on the screen.
Threema Private

A Privacy Quiz to Celebrate Data Privacy Day

Today is Data Privacy Day! Are you up to speed when it comes to online privacy? Put your knowledge to the test, and take the privacy quiz in the Threema Channel.
Illustration comparing security and privacy, showing a shield with a lock versus a person silhouette with a question mark.
Threema Private

Security Doesn’t Equal Privacy

When it comes to data protection on the Internet, security and privacy are often mentioned in the same breath. However, the two terms are not synonymous. We explain the differences.

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