Signal
E521658
Signal is a privacy-focused messaging app known for its strong end-to-end encryption and open-source protocol.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Signal Foundation | 2 |
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
encrypted messaging service
ⓘ
free and open-source software ⓘ instant messaging application ⓘ |
| businessModel | nonprofit ⓘ |
| dataCollectionPolicy | minimal metadata collection ⓘ |
| developer |
Signal Foundation
NERFINISHED
ⓘ
Signal Messenger LLC NERFINISHED ⓘ |
| encryptionProtocol | Signal Protocol NERFINISHED ⓘ |
| fundingModel | donations ⓘ |
| hasFeature |
disappearing messages
ⓘ
end-to-end encryption by default ⓘ file sharing ⓘ group messaging ⓘ open-source protocol ⓘ read receipts (optional) ⓘ registration lock PIN ⓘ relay calls via Signal server (optional) ⓘ safety number verification ⓘ screen security ⓘ stickers ⓘ typing indicators (optional) ⓘ video calling ⓘ voice calling ⓘ voice messages ⓘ |
| license |
AGPLv3 (server software)
ⓘ
GPLv3 (client applications) ⓘ |
| notableFor |
being recommended by privacy advocates
ⓘ
strong privacy protections ⓘ |
| platform |
Android
ⓘ
Linux ⓘ Windows ⓘ iOS ⓘ macOS ⓘ |
| primaryUse |
private messaging
ⓘ
secure video communication ⓘ secure voice communication ⓘ |
| protocolUsedBy |
Facebook Messenger secret conversations
ⓘ
Skype private conversations ⓘ WhatsApp (for end-to-end encryption) NERFINISHED ⓘ |
| requires | phone number for registration ⓘ |
| securityProperty |
deniability
ⓘ
forward secrecy ⓘ post-compromise security ⓘ sealed sender ⓘ |
| sourceModel | open source ⓘ |
| stores |
limited account information on servers
ⓘ
messages encrypted on user devices ⓘ |
| supports |
end-to-end encrypted group calls
ⓘ
group chats ⓘ one-to-one chats ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Signal Foundation
this entity surface form:
Signal Foundation