Encrypted messaging
Signal
open sourcefreeauditedAlternative : Threema
The end-to-end encryption standard: open protocol, funded by a foundation and not by your data. It is also the one Chat Control would structurally endanger.
Recommended in the checklist
Secure messaging →
- Move your sensitive conversations to an end-to-end encrypted messenger
- Turn on disappearing messages for your sensitive chats
- Verify a contact’s safety number before critical exchanges
- Lock your messaging app with a passcode or biometrics
- Prefer a messenger funded by a foundation, not by advertising
- Encrypt and protect your message backups
- Regularly review the devices linked to your messenger