Laptop displaying chat messages with a magnifying glass revealing binary code
Threema Private

Threema 2.0 for Desktop (Beta) Is Now Open Source

The source code of Threema’s new desktop app is now publicly accessible. Consequently, the app is also covered by Threema’s bug bounty program. However, bounty hunters shouldn’t get too excited: the new desktop app has already undergone a thorough security audit, and it passed a recent bug bounty challenge.
Two-tier green drip cake with red berries, black and white layers, and three blue-striped candles
Threema Private

Twelve Years of Seriously Secure Messaging

Exactly twelve years ago today, on 12/12/2012, the first Threema version was published in Apple’s App Store, laying the foundation for secure and privacy-friendly mobile communication.
Hand holds smartphone displaying Apostrophy’ branded Threema secure messaging app screen
Threema Private

Partnership with Apostrophy: Win a Privacy Phone

Like Threema, Apostrophy is a Swiss company that puts privacy first, doesn’t collect user data, and opposes to Big Tech’s ad-driven business model. Now, the two companies team up to facilitate secure and privacy-compliant mobile communication.
Threema Private

It’s Time to Enforce the DMA

Together with Epic Games, Proton, and various other companies, we urge the European Parliament to not let Apple’s and Google’s circumvention of the Digital Markets Act (DMA) slide.
Smartphone screen showing a sent green message bubble with pencil and trash icons for edit and delete
Threema Private

Bye-Bye Typos: Edit Sent Messages and Delete Them for Everyone

As the name implies, instant messaging is a fast-paced means of communication. This characteristic has numerous advantages – but also a few disadvantages: due to the fast pace, typos are the rule rather than the exception, and, what’s worse, sometimes messages get sent to the wrong contact in the heat of the moment.
Threema Private

Regain Privacy: How to Protect Your Data on the Internet

Preserving privacy on the Internet isn’t easy: advertisers are finding ever more sophisticated ways to collect user data, and new, convenient technology detracts from the negative impact on privacy. The resulting decline in online privacy is further fueled by the fact that online privacy can, due to its abstract nature, be quite hard to grasp.
Laptop displaying six participants in a colorful video conference grid
Threema Private

Group Calls Are Now Available on the Desktop

Mobile instant messengers became popular as a replacement for SMS messages. Today, they are one of the most widely used Internet services and are no longer limited to written communication – voice messages and video calls are now just as much a part of chat apps as text messages.
Threema Private

Data Security of Threema for Desktop

As highlighted by recent news stories and social media posts, the desktop apps of some messaging services are affected by a long-standing security issue. We’ve been asked whether Threema’s desktop client also suffers from this or any similar flaw. The short answer: No. Threema users don’t need to take any precautions and can continue to use the desktop app. The longer, more explanatory answer:
Threema Private

Chat Control Must Be Stopped – Now!

With its legislative proposal known as “Chat Control,” the EU Commission is trying to establish an unprecedented mass-surveillance apparatus of Orwellian proportions in the European Union. If EU citizens don’t stand up for privacy now, it may be too late.

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