Opens the contact picker. Threema Work is the secure communication platform for organizations. Each Threema user gets a randomly generated, 8-digit Threema ID when starting the app for the first time. The call connection is established using Threema messages in the background; therefore, Threema calls are just as trustworthy as chats, and the same verification levels apply. Open Threema so it can re-negotiate push notifications with the server. Create a PIN lock for your app, e.g. iOS: In a chat, tap on the “+”, and select “Share File”. That way, man-in-the-middle
If you are behind a (corporate) firewall or are using a VPN, Deep Packet Inspection might block WebRTC. on “Other restore options”, and then select “Data backup”. Comprehensive privacy protection requires solid message encryption, but
* If you are using Threema with an Android Wear smartwatch or an Apple Watch, you can read message previews, see chat pictures, agree/disagree to incoming messages and answer messages using dictation (or using Scribble on an Apple Watch). URL actions allow to perform an action in Threema by tapping on a link. Alternatively, you can create an ID export. chats for which no individual notification settings are defined. The latest version of Threema runs on iOS 10 and up. By default, it
Tap on “Delete data” and uninstall the app. Chat from your desktop with Threema Web and have full access to all chats, contacts and media files. If you don't have access to a physical machine with one of these operating systems installed, we recommend that you install Ubuntu Desktopas a virtual machine. Please note: The QR code of contacts should not be confused with the QR code of ID
To learn more about the current version’s changes and improvements, read the change log. incoming notifications trigger. Therefore, we recommend to either create iTunes backups instead of iCloud backups or to exclude Threema if you must create iCloud backups. Threema allows to create a poll right inside a chat. Each backup replaces the previous one. This notification has no other purpose and is only required because of the aforementioned limitation of Android. How do I fix this? store account (i.e., the same Apple ID, Google or Microsoft account) you used for the initial purchase. A user can choose any nickname, which might not correspond to the actual name of said user (e.g. No chats or images. “~Bob”). If you don’t receive the verification message, this might be due to a temporary problem or because your carrier filters certain messages. To save a chat outside of Threema, you can export it as encrypted ZIP archive (which will contain the chat as text
Threema ID is optional. I am trying to add my phone number on the Contactable At section on my apple id and after I get a verification code, it automatically registers but it always says "Invalid verification code." In Threema, navigate to Settings > Chat > Font Size to adjust the font size. Maybe your ID has been unintentionally blocked by the recipient. If you mistakenly scan a public Threema ID, you will see a long string after scanning that starts with “3mid:”. tokens of the group members). number to their Threema ID. What’s left to do for you is to enter the ID export’s password
Enable all (or the desired) notification settings for Threema: Open the first entry in the Chats section, Enable all settings (Floating Notifications, Lock Screen Notifications, Sound, etc. To learn more, please visit the Threema Gateway website. Create a backup of your identity in the app and email it to yourself as well. the passphrase), the app needs to show a notification. Threema Safe regularly creates a backup of your basic data: Furthermore, Threema Safe backups contain the following Privacy settings: Threema Safe backups don’t include chats, media files, and profile pictures of contacts and groups. the Android version in our store, you can download and then reinstall it with the same license key. Send always your Backup to yourself via email. Don’t allow video calls: Navigate to “Threema > Threema Calls, and disable “Allow Video Calls.”. On Android, distribution lists can be used to send messages to multiple recipients. Enter your email or EA Account ID. To support iOS clients, the server needs to be compliant with the ATS requirements. In case of a poor network connection, the image quality is automatically lowered. To prevent this from happening, please perform the following steps: Please note: When using a Xiaomi device, you need to perform these steps again after a restart. Click “Manual Verification” 6. The contacts in question haven’t set a profile picture, or they don’t share it with you. a group’s administrator leaves the group, a new group must be created. Threema doesn't log who is communicating with whom (which Threema IDs are communicating). Hint: To avoid having to scan the QR code each time you use Threema Web, set a session password in the browser before scanning. “Robert Smith”). Obtain from an ID backup using. Biometric Identity Verification Biometric facial and finger print verifications. The management of chats and media files depends on your operating system: In the side
Linking a phone number and/or email address to one’s
Threema uses the Apple Push Notification Service (APNS) to inform recipients with iOS about new messages while the app is closed or in the background. If you have access to the mobile device where your Threema ID is set up, you can change the password as follows: Android: Open Threema, and open the main menu by tapping the three horizontal dots in the top right corner, and select “Backups.” Then, tap “Change Password.”, iOS: Open Threema, and navigate to “My Profile > Threema Safe,” and tap “Change Password.”. Delete your ID on your old phone to make sure you receive notifications on the new
Export”. already set), Tap “Pick image” (or tap the current profile picture if one is already set), and select an existing picture,
Threema uses the open-source library NaCl
To unsubscribe from a feed, send “stop [feed name],” e.g., “stop android.”. Threema Safe is optional, and you can store backups either on the Threema server or on your own server. Some knowledge on using a Unix-type operating system is required, and knowledge on how to operate a C compiler may be necessary. Since it’s based on well-established standards, Threema Work supports all common MDM systems. Threema uses state-of-the-art asymmetric cryptography to protect messages and calls between sender and receiver, as
have lost your license key, you can retrieve it. Wie kann ich jetzt jemanden einladen, ohne die Telefonnummer oder E-Mail Adresse zu senden? Threema Safe encrypts the backup data using the password you specify. Please note: Unless you have a backup, you will lose your Threema ID and all saved messages. More Less. block messages from unknown users in general. Threema on the desktop without compromising security. The ID-Backup (1) saves only your Threema ID. In Threema, navigate to Settings > Sound & Notifications. Validate the ID token claims: 3.1. issuer -- does the token originate from the expected IdP? As a regular group member, you cannot delete a group, but you can leave it. Only those contacts can be selected from the list that have installed a group chat capable version of Threema. Strength of the encryption: The asymmetric ECC based encryption used by
After the next synchronization in Threema (can be forced by pulling down and releasing the contact list), the
your friends if you didn't save their details in your address book or if they didn't link an email address or phone
Select the files in Threema: In a conversation, tap the plus sign (“+”) next to the input box, and select “Share File”. To avoid compression of an image or video, you can send it as file. Once a Threema call is established, both parties can independently enable and disable video transmission by tapping the camera icon. If you are an iOS user, make sure to grant Threema access to your contacts (iPhone Settings > Privacy > Contacts > enable Threema). It is therefore also suited for childern under the age of 16. Learn how to move your ID to
No matter what Threema version (Android, iOS, or Windows Phone) was used to create a Threema Safe backup, it can be restored on any platform. Please make sure you are using the latest version of a compatible browser. Our servers assume the role of a switch; messages and data get forwarded, but not permanently stored. In such cases, the Threema app doesn’t have permission to be active in the background and/or to transmit data in the background. To reliably receive push notifications, the following TCP ports need to be open: A group chat feature is available. Push preview must be enabled in Threema
revocation password here: Without access to your ID or without a previously set revocation password, it is not possible to delete
device. On iOS, if there is no Internet
Threema messages can be received without mobile network coverage as long as there is a working Internet connection. Android: go to Settings > Troubleshooting and enable the "Log to file" option. In Threema, text can be formatted bold, italic, and crossed out. of your device’s disk space and the space used by Threema. Threema offers the option to request the verification code via a phone call: Please understand that we cannot call certain countries/numbers. Relay service for Threema Web push notifications. The connection between the app and the servers is secure against MITM attacks because the server authenticates itself to the app based on a public key that is hard-coded into the app and whose corresponding secret key is only known by the legitimate servers. You string is shown in two ways when exporting an ID: as plain text for copying/pasting and as a QR code. Busy: The recipient either rejected your call or is already talking on the phone to someone else. For privacy reasons, groups are not managed on our servers but directly on users’ devices. Like single chats, group chats are end-to-end encrypted in Threema. If these languages aren’t available in Threema, English serves as fallback. The next time you send someone a
It works by logging the raw encrypted message as it was generated by the sender to a text log file that can be emailed from within the app. If a
In the “My Profile” tab, select “Threema Safe”. Neither is it possible to transfer administrator
PS: hab ein Samsung S5, mit Android 6.0.1 Thanks to reproducible builds, there’s also a way to verify that the published code (of the Android app, for the time being) actually corresponds to the apps available for download in the app stores. In order to move an archived chat from the archive back to the chat overview, tap and hold the chat until the action icons appear in the title bar. This key generation is performed directly on your phone, without any server interaction. When starting Threema for the first time, tap on “Restore from Backup”, select “Keep local data”, and tap “ID
And if I go to a place where they swipe the IDs to make sure they are real, will the fact that it is expired affect anything? his or her first
If re-establishing a connection to Threema Web fails, either push notifications aren't working properly or there is a problem in regard to Threema’s background activity. We have no access to your data. Once the comparison is finished, they are immediately deleted from the server. Please
Your raw private key can be extracted from a Threema ID backup (a string in the format "ABCD-EFGH-IJ12-..."). (In Threema for Android, it will be possible to create groups of up to 256 members with the upcoming update; at the moment, groups containing up to 100 members can be created on Android.). For detailed technical information about the cryptography in Threema, read the Cryptography Whitepaper. Video transmission is an option of Threema calls that can be enabled at any time during an ongoing call. Emirates ID is an identity card of the UAE’s citizens and residents. Push notifications should now be working. In Threema, you can set a profile picture that represents you in your chat partners’ contact lists. If Threema was downloaded from the Threema Shop, you will receive a notification in the app once an update is available. Threema - Android App 4.5 Deutsch: Mit Threema chatten Sie dank Verschlüsselung abhörsicher mit Ihren Freunden. The Threema app is started in the background for each incoming push notification, decrypts the push payload, downloads the corresponding message directly from the Threema servers, decrypts it and shows a local message preview (if enabled) and the contact name of the sender. Only license keys that have been acquired in the Threema Shop can be retrieved here. transfer your chats to another device (or to restore them later on the current device), use a data backup. Threema Safe is platform independent. If you switch the OS (e.g., from iOS to Android), you can
messages and calls. Stale contacts are IDs that haven't been used for more than three months. Choose your alternative verification method, and continue with the two-factor verification process. fingerprint, Use Threema Safe to anonymously backup your most important Threema data, Use Threema on tablets and devices without SIM card, Chat completely anonymously – no phone number required, Automatically disable notifications outside of working hours. Go to Android > Settings > Apps > Threema. You can switch between the two themes here: To quote a text message, tap and hold it until the context menu appears. key exchange. For this reason, we need to drop support for older iOS versions from time to time when we release larger updates. The contacts in question didn’t send you a message since setting their profile picture (profile pictures are
If you are the administrator, you can add members by tapping “+.”. It’s likely that many messengers are used to systematically collect and analyze their users’ metadata. notification settings in iOS, device-specific
Within 24 hours, the ID
They don't affect the encryption strength, but are a measure for the probability, that the saved public key of a contact belongs indeed to that contact. The app then fetches messages directly from the Threema servers, decrypts them and displays a local notification. Download the source code of the validation programs. assumes the value of the user's ID, but can be changed anytime. Threema cannot change this. or snap a photo, Crop the image, and confirm by tapping “Choose”, Tap on the avatar icon (or the current profile picture if one is already set), Navigate to the “My Profile” tab, and tap on your current profile picture, Tap on your current profile picture once again, and select “Delete Photo”. Groups created by an iOS user are deleted as soon as the last member has left the group. Here are the last supported Threema versions for each iOS version: The effort needed to offer compatibility with older iOS versions is substantial. For privacy reasons, Threema doesn’t create a separate notification channel for each contact but one for each combination of notification settings. In and of itself, Threema does not provide an option to save chats on iCloud. Personal
Since the Threema apps are open source, anyone knowledgeable enough can confirm Threema’s security on their own. If automatic updates are disabled, you can manually install updates in the Google Play Store app (by tapping the menu icon, navigating to My Apps > Threema and then tapping “Update”). Android: In the Contacts tab, tap the “New contact” button, and select “Scan ID”. Select your previously created backup and tap on “Restore”. If “Show profile pictures” is enabled, your contacts’ profile pictures are displayed no matter if you have set contact pictures for them in Threema or in your operating system’s address book. You can find this in your phone's settings: Security > Encrypt phone or Security > Encrypt device. Scan this QR code to verify its key: Note that in general, QR codes for ID verification should not be sent over the Internet but
By default, the synchronization is disabled and no address book data will be read. without knowing the recipient's private key. Neither contents nor details about messages are transmitted via FCM (the FCM payload is empty), and all of Firebase’s tracking and analysis components have been removed. A combination (minimum of 2) of any of the following may be used for acceptable identification. Please decline that option every time. We highly recommend to always install the most recent operating system updates and to only use software from trusted sources. In Threema’s main screen, open the main menu by tapping the three horizontal dots in the top right corner, and select “Backups”, In Threema’s main screen, open the “My Profile” tab, and tap on “Threema Safe”, In Threema’s main screen, tap the three dots in the lower right, and navigate to “Settings > Backup > Threema Safe”. The supplied C programs have been verified to compile under Linux and FreeBSD. When you sign up to Threema, you receive a unique eight-digit ID that becomes your private key. Up to Four Chances to Putt & Win $3,300. The agree/disagree feature allows to agree or disagree with an incoming message without triggering a push notification on the chat partner’s device, providing an unobtrusive way of expressing your attitude toward a message. On Android (all app versions) and iOS (Threema version 2.9.0 and up), incoming messages can be decrypted in the
It’s not possible to set up a Threema ID on multiple devices at the same time. To use custom ringtones and notification sounds on Android, please perform the following steps: In MIUI 11, some notification settings are disabled by default for Threema, and, unfortunately, there’s no way for the app to enable them. Since the different app stores (Google Play
We also are not able to communicate if there will be any additional countries added to this list in the future. A Threema Safe backup, on the other hand, contains also your group memberships (besides other data) and is platform-independent. If you are using Threema behind a Firewall, please make sure that the following TCP ports are open: To make Threema Calls, port 3478 or port 53 needs to be open for outgoing UDP STUN/TURN traffic. a new phone. There are basically three steps to it: 1. Your existing chats are unaffected by a change of your phone number as well. you can always export chats. If you
name. When this has completed, start Threema again. The store
If you were a member of group chats, please ask the respective administrators to remove your old ID and add the new one. According to a NIST estimate (page
that’s linked to your Threema ID, simply navigate to “My Profile”, tap on the number or email
At no point are the hashes or the results of the synchronization written to disk. Everything you send with Threema is encrypted before sending. In the chat overview, swipe from right to left on a chat to archive it. party (provided said contact's device wasn't stolen or hacked). 3.3. timestamps -- is the token within its validity window? You can order stickers, mugs, T-shirts and other Threema gear here: Threema is tailored to the needs of private users. In these rare cases, a generic notification (“Message” or “Group Message”) will be displayed. Please note that exported chats cannot be imported into Threema again; to
persist, please remove the group member due to which the group became asynchronous (see above), and add them
However, we don't recommend this. The decryption program requires an installation of the NaCl library. You can then compose and send your message like you usually would. Please follow the troubleshooting instructions for Android or iOS. If you would like to migrate your basic Threema data from one OS to another, please use Threema Safe. well as the communication between the app and the servers. there has been no manipulation by third parties. The next time you send someone a message, your profile picture
If you don't have access to a physical machine with one of these operating systems installed, we recommend that you install Ubuntu Desktop as a virtual machine. it may be necessary to reinstall Threema. Instead of a phone number, the Threema ID serves as unique identifier. *** Unfortunately, there are official Belgian and Portuguese identity … Moving data backups between devices is
A colored stripe (or the absence thereof) below the title bar indicates the connection status: If these symptoms occur, either push notifications aren't working properly or there is a problem concerning background activity. The state-of-the-art data centers include biometric access control, full-height turnstiles, video surveillance, emergency power systems, fire protection, fail-safe air-conditioning, and a fully redundant Internet connection. browser. Threema Safe can be used with any WebDAV server (such as NextCloud), provided that the server can be reached via the Internet and is equipped with a valid TLS certificate trusted by the operating system (not self-signed). Usually all that is required to compile threema_unbox and threema_getprivkey is to type make inside the directory with the files. Threema contains a "Validation Logging" feature that makes it possible for anyone to independently confirm that messages sent via Threema are end-to-end encrypted using the NaCl Networking and Cryptography library. If you
The latter is necessary to ensure that an adversary who captures
TSA allows expired driver's licenses . As mentioned above, it is, however, not possible to only allow iTunes backups. You can choose whether or not you would like to use Google services for Threema’s push notifications: The option “Settings > About Threema > Troubleshooting > Activate Polling” allows you to use Threema without FCM. You can delete the ECHOECHO contact at any time (and, if need be, add it again manually). Malware that runs in the background on your device can intercept and falsify data without being noticed. for encryption. If there are unresolved issues in a chat, you can use the “pin” feature to create a visual reminder. The Threema apps are open source, allowing anyone to audit Threema’s code on their own. Steps to Reproduce (for bugs) Add a contact through Threema Web Enter an invalid ID (e.g. Threema calls are as secure as Threema messages. Irrespective of the SIM card / phone number you're using or in which country you are, your Threema ID stays the same and everyone can still reach you. that can be drawn of a person is much more detailed than one that could ever be drawn from message contents alone. If you use an Android device and the connection is interrupted on a regular basis, please connect your computer and your mobile device to the same local network, if possible. settings for the preview to be shown. Please check also if you are using the latest app version, and update the Threema, if necessary. 2019: Audit by Lab for IT Security of the Münster University of Applied
information is always hashed, both in transit and on disk. To delete a group, open it, tap on the group’s name in the title bar, open the menu
contact’s detail view. Messages and files are stored on the servers until they are successfully delivered or until
iPhone: Threema 3.0 for iOS or above (voice calls) or Threema 4.6 for iOS or above (video calls) on an iPhone 5s or above running on iOS 10 or above, iPad: Threema 3.0 for iOS or above (voice calls) or Threema 4.6 for iOS or above (video calls) on an iPad Pro, an iPad Air, a 5th-generation iPad or above, or
If a contact picture is set for a contact in Threema or in your operating system’s address book, this picture will only be displayed in Threema if “Show profile pictures” is deactivated or if the contact in question hasn’t set a profile picture (or doesn’t share it with you). Open the group details by tapping the group’s profile picture to learn who is the group’s administrator. Please adjust your browser settings as follows: In order for Threema Web to display desktop notifications, the respective permission must be granted in the browser. If you no longer have
Is this still valid ID? Adjust Threema's settings to automatically save incoming media files to the standard media folder of your operating system. After each deletion there will be a question whether you would like to exclude the respective contact from future synchronization processes. Within two weeks, you'll receive the profile pictures of those contacts who have communicated with you since you have restored the backup. ich habe bei mir auch das Problem, dass sich meine E-Mail-Adresse nicht verifizieren, obwohl ich von Threema eine Mail bekommen haben, wenn ich auf den Link drücke, kommen die Meldung. However, Threema’s “polling” is an alternative way to get informed about incoming messages.