Threema

@threemaapp
11K Followers
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846 Posts

Seriously secure communication.

If you have questions, please contact us via https://threema.id/%2ASUPPORT or [email protected].

Websitehttps://threema.com
Downloadhttps://threema.com/en/download
Supporthttps://threema.com/en/support/private
Impressumhttps://threema.com/en/impressum
Get the message? Ghosting, dry texting, and “left on read” eggsplained. 🪺 https://threema.com/bp/internet-slang-explained
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.

Threema

👤 There’s no such thing as a Threema user account.

Recent news reports about anonymity in paid online services and account hijacking illustrate why: https://threema.com/bp/downside-of-user-accounts

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 spoofi...

Threema

😤 WhatsApp in 2012: “Companies know literally everything about you, your friends, your interests, and they use it all to sell ads.”

🤑 WhatsApp now: “We’re introducing […] ads […] to help you find […] products you’re interested in.”

https://threema.com/bp/online-ads-and-data-privacy

Online Ads and Data Privacy

Meta recently announced that WhatsApp will start to show ads to its users. We wanted to outline why online ads and data privacy are fundamentally incompatible, but as it turns out, WhatsApp beat us to it – by exactly 13 years.

Threema
Take note
Privacy isn’t a feature, it’s a right.
We’re joining forces with IBM Research to implement post-quantum cryptography in Threema. 🤝 https://threema.com/bp/quantum-secure-future
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.

Threema
PSA: On February 25, 2026, between 4:00 and 6:00 a.m. CET, we will perform maintenance on our servers. During this time, the Threema apps and the web client will have limited availability.
Security and privacy often go hand in hand, but they’re not the same. https://threema.com/bp/security-vs-privacy
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.

Threema

Why is mass surveillance a bad idea❓ What is anonymity on the Internet good for❓ Why do tech corporations offer their online services free of charge❓

To celebrate today’s Data Privacy Day, we’ve set up a privacy quiz in the Threema Channel: https://threema.com/bp/dpd26

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.

Threema

Where there’s transparency, there’s no need for trust.

https://threema.ch/open-source

Open Source – Transparency Matters – Threema

The Threema apps are open source. Find out how to download and compile the source code, and learn more about reproducible builds.

Threema