Threema
@threema.ch
Seriously secure messaging. https://threema.com If you have questions, please contact us via https://threema.id/%2ASUPPORT or support@threema.ch. Impressum: https://threema.com/impressum
⚖️ As European companies call on President @vonderleyen.ec.europa.eu to consistently enforce the DMA (finishthejob.eu/open-letter), the European Commission takes a step in the right direction and fines Google €890 million: ec.europa.eu/commission/p...
Open Letter to Ursula von der Leyen - Finish The Job
A growing coalition of European organisations calling on President von der Leyen to enforce the DMA in full and without delay.
finishthejob.eu
“But wouldn’t interoperability with WhatsApp be a good thing?” 🤔 Short answer: No. Long answer: threema.com/en/blog/inte...
Messenger Interoperability: Well-Intended, but Bad for Data Privacy
WhatsApp has been open to third-party messaging services since fall 2025. Under the EU’s Digital Markets Act (DMA), the platform is required to support interoperability with alternative chat services....
threema.com
What’s wrong with the 👌 emoji? Should you send your boss a 😘? How many emojis are too much? 🤔 For World Emoji Day, we’re highlighting emoji pet peeves. Share yours 👇 threema.com/bp/world-emo...
World Emoji Day: Our Emoji Pet Peeves
When the calendar emoji shows the correct date, it’s World Emoji Day. 📅 The cute little pictograms are hugely popular and shape the way we communicate in chats. Yet despite – or perhaps because of – t...
threema.com
👤 For comprehensive privacy protection, usernames are not enough: threema.com/bp/anonymity...
Anonymity at the System Level – The Ultimate Privacy Protection
More and more messaging apps are introducing usernames, allowing users to communicate without having to share their phone number with everyone. This is certainly a step in the right direction. However...
threema.com
The 8,289 young Swiss men and women who start recruit school today will be issued two iconic pieces of equipment: one for their pocket, one for their phone – both made in Switzerland. 🇨🇭
🚨🇪🇺⏳ On Monday, the final trilogue meeting on #ChatControl 2.0 will take place. EU citizens, please speak up now, and urge your representatives to protect private communication in Europe: fightchatcontrol.eu#contact-tool
Fight Chat Control - Protect Digital Privacy in the EU
Learn about the EU Chat Control proposal and contact your representatives to protect digital privacy and encryption.
fightchatcontrol.eu
🇨🇭🌊☀️ Wänd Si wüsse, i wellem See oder Fluss me sich bi dere Hitz guet chan abchüele? Eifach «/sensors» a *GFRORLI sände. 😎 threema.id/%2AGFRORLI?t...
Threema ID *GFRORLI
threema.id
🍨 We scream for ice cream 🍧 You scream for ice cream 📊 Big Tech screams for your data streams
Embrace summer: 🌊 Go with the flow 🐢 Live life slow 👤 Keep your profile low
🟠🔴 On vacation, in a meeting, or simply busy? Let your colleagues know whether you’re available with the new availability status in Threema Work: threema.com/bp/availabil...
Availability Status in Threema Work
Do you need advice from a colleague but aren’t sure whether they’re available right now? Or would you like to set your out-of-office message directly in Threema Work? With the new availability status,...
threema.com
📇🔍 Während Sie diesen Post lesen, erfragen deutsche Behörden mehr als zehnmal, wem eine Telefonnummer gehört. Pro Jahr sind es über 35 Millionen solcher Abfragen. Zum Vergleich: Deutschland hat 83,5 Millionen Einwohner. netzpolitik.org/2026/bestand...
Behörden fragen öfter als jede Sekunde, wem eine Telefonnummer gehört
Staatliche Stellen haben letztes Jahr über 35 Millionen Mal abgefragt, wem eine Telefonnummer gehört. Diese Abfragen haben sich innerhalb von fünf Jahren verdoppelt. Auch Inhaber von IP-Adressen werde...
netzpolitik.org
🎙️🤓 Unser CTO @dbrgn.ch und unser Desktop-Lead besprechen im Podcast von gnulinux.ch verschiedene technische Themen, von Quantenverschlüsselung über KI zu Quelloffenheit: gnulinux.ch/ciw182-podcast
GNU/Linux.ch
Freie Software, Freie Gesellschaft
gnulinux.ch
🙋♀️ What’s your take on GIFs? Subscribe to the Survey feed in the Threema Channel to take part in our first survey!
Help us tailor Threema to your needs: subscribe to the new Survey feed in the Threema Channel, and provide feedback right in the app! 🗳️ threema.com/bp/survey-fe...
Even without you giving them any permissions, mobile apps can learn a whole lot about (and potentially identify) you. 👤📲
Introducing Loupe, our latest privacy app for iOS. Discover what apps can learn about you just by reading data your iPhone already exposes, such as your languages, installed apps, device sensors, and much much more. Loupe is free, private, and open source. Try it👇 apps.apple.com/app/id676615...
Today’s forecast: ☀️ The sun rises in the east 🌧️ Rain falls from the sky ⚡ Big Tech collects user data
Help us tailor Threema to your needs: subscribe to the new Survey feed in the Threema Channel, and provide feedback right in the app! 🗳️ threema.com/bp/survey-fe...
Survey Feed: Involving Users in the Development Process
To better tailor the Threema app to our users’ needs, we’re introducing a new survey feed in the Threema Channel. In this feed, periodic user surveys will be conducted to help us identify relevant fea...
threema.com
Today is #DeleteWhatsAppDay 🚮 Five years after WhatsApp’s controversial privacy policy change, Meta is expected to become the world’s largest digital ad company, making it more important than ever to question data-driven business models: threema.com/bp/deletewha...
Many apps encrypt your data to protect it. 🔒 The key is to protect the key to decrypt it. 🔑 threema.com/bp/android-k...
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 of...
threema.com
Some speak of a “hack,” others blame the victims. Both miss the point: the recent cyberattack on German politicians shows that there’s more to security than encryption. threema.com/bp/theres-mo...
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...
threema.com
👤 Bei Threema gibt es keine klassischen Benutzerkonten, sondern anonyme IDs. 🛡️ Diese lassen sich nicht per SMS wiederherstellen und somit auch nicht auf diesem Weg kapern. 🟢 Vertrauensstufen zeigen zudem, ob ein Kontakt unbekannt, bekannt oder verifiziert ist.
Introducing DualLock, a new security layer for Threema OnPrem: 🔑 Two encryption keys 🎛️ Remote access control 🛡️ Protection even if a device is lost threema.com/bp/duallock-...
Protected Data even if a Device Is Lost
For companies with the highest security requirements, Threema OnPrem offers a sophisticated new feature: thanks to DualLock, chats are now protected even if a mobile device is lost or stolen.
threema.com
Get the message? Ghosting, dry texting, and “left on read” eggsplained. 🪺 threema.com/bp/internet-...
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 ...
threema.com
👤 There’s no such thing as a Threema user account. Recent news reports about anonymity in paid online services and account hijacking illustrate why: threema.com/bp/downside-...
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 – ...
threema.com
😤 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.” threema.com/bp/online-ad...
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...
threema.com