Threema
Seriously secure communication.
If you have questions, please contact us via https://threema.id/%2ASUPPORT or support@threema.ch.
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. https://threema.com/bp/theres-more-to-security-than-encryption-1
👤 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
To celebrate our partnership with Apostrophy, we’re giving away ten (yes, 10!) Punkt MC02 privacy smartphones: https://threema.ch/bp/apostrophy
Many apps encrypt your data to protect it. 🔒
The key is to protect the key to decrypt it. 🔑
😤 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.”
We’re joining forces with IBM Research to implement post-quantum cryptography in Threema. 🤝 https://threema.com/bp/quantum-secure-future
Get the message? Ghosting, dry texting, and “left on read” eggsplained. 🪺 https://threema.com/bp/internet-slang-explained
Introducing DualLock, a new security layer for Threema OnPrem:
🔑 Two encryption keys
🎛️ Remote access control
🛡️ Protection even if a device is lost
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
Where there’s transparency, there’s no need for trust.

