Awesome Privacy

Signal

signal.org
Awesome Privacy ➔ Communication ➔ Encrypted Messaging ➔ Signal
Signal Icon

Probably one of the most popular, secure private messaging apps that combines strong encryption (see Signal Protocol) with a simple UI and plenty of features. It's widely used across the world, and easy-to-use, functioning similar to WhatsApp - with instant messaging, read-receipts, support for media attachments and allows for high-quality voice and video calls. It's cross-platform, open-source and totally free. Signal is recommended by Edward Snowden, and is a perfect solution for most users.

Open Source

Signal Privacy Policy

Privacy Policy Summary

  • Prohibits the publishing of personally identifiable information without the owner’s consent
  • This service informs users that its Terms of Service does not apply to third party websites
  • Your personal data is not sold
  • Third parties used by the service are bound by confidentiality obligations
  • This service does not track you
  • You have the right to leave this service at any time
  • This service does not keep records of who you have communicated with
  • The service promises to disclose the transcripts of government requests
  • The service can delete your account without prior notice and without a reason
  • Your personal data is aggregated into statistics
  • You must create an account to use this service
  • This service cannot be held responsible for disputes that you may have with other users
  • This service assumes no liability for any losses or damages resulting from any matter relating to the service
  • The service does not guarantee accuracy or reliability of the information provided
  • The service provider makes no warranty regarding uninterrupted, timely, secure or error-free service
  • The service does not share user information with third parties
  • You are responsible for maintaining the security of your account and for the activities on your account
  • You can request access, correction and/or deletion of your data
  • User-generated content is encrypted, and this service cannot decrypt it
  • The user is informed about security practices
  • This service provides a way for you to export your data
  • The service is provided 'as is' and to be used at the users' sole risk
  • They may stop providing the service at any time
  • Users agree not to use the service for illegal purposes
  • The service allows you to use pseudonyms
  • Court of law is in California
  • You must be at least 13 years old to use the service
  • This service does not sell your personal data
  • You maintain ownership of your data
  • You can delete your content from this service
  • This service does not force users into binding arbitration
  • The court of law governing the terms is in a jurisdiction that is friendlier to user privacy protection.
  • The service provides details about what kinds of personal information they collect
  • Your personal data is used for limited purposes
  • This service allows you to retrieve an archive of your data
  • The service will only respond to government requests that are reasonable
  • Users who have been permanently banned from this service are not allowed to re-register under a new account
  • The service reviews its privacy policy on a regular basis
  • The service provides two factor authentication for your account
  • The service claims to be GDPR compliant for European users
  • Features of the website are made available under a free software license
  • Any liability on behalf of the service is only limited to $100
  • Only necessary user logs are kept by the service to ensure quality
  • Terms may be changed any time at their discretion, without notice to the user
  • Third parties may be involved in operating the service
  • The service will resist legal requests for user information where reasonably possible

Score

B

Documents

Domains Covered by Policy

  • signal.org
  • whispersystems.org

About the Data

This data is kindly provided by tosdr.org. Read full report at: #528

Signal Source Code

Author

signalapp

Description

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

Homepage

https://signal.org/

License

AGPL-3.0

Created

09 Dec 13

Last Updated

29 Mar 24

Latest version

v12.17.0

Primary Language

Java

Size

13,081 KB

Stars

8,807

Forks

2,070

Watchers

8,807

Language Usage

Language Usage

Star History

Star History

Top Contributors

Recent Commits

  • Ameya Lokare (27 Mar 24)

    Update to the latest version of the spam filter

  • Ravi Khadiwala (27 Mar 24)

    Make sure we close the HTTP/2 stream after cdn read errors

  • Ravi Khadiwala (27 Mar 24)

    404 instead of 400 on unknown source cdn

  • ravi-signal (27 Mar 24)

    avoid baos::writeTo on virtual threads

  • Jon Chambers (25 Mar 24)

    Add debugging context to signature validation failures

  • Jon Chambers (26 Mar 24)

    Rename `NoiseStreamHandler` to `NoiseTransportHandler` for consistency with Noise specification terminology

  • Chris Eager (26 Mar 24)

    Include HTTP2ServerConnectionFactory in JettyHttpConfigurationCustomizer

  • Jon Chambers (26 Mar 24)

    Pare back debug-oriented metrics around fetching pre-keys

  • adel-signal (26 Mar 24)

    update TurnTokenGenerator to add whether this is with ip or url turn allocation

  • Jon Chambers (22 Mar 24)

    Introduce a Noise-over-WebSocket client connection manager

  • Ravi Khadiwala (20 Mar 24)

    Preserve backupCredentialRequest across rereg

  • Jon Chambers (21 Mar 24)

    Remove username phased rollout plumbing (usernames are now available to everybody)

  • ameya-signal (21 Mar 24)

    Minor cleanup of report spam endpoint (#1979)

  • Ravi Khadiwala (19 Mar 24)

    Fix experiments in BackupAuthManager

  • Chris Eager (19 Mar 24)

    Update to the latest version of the spam filter

  • Chris Eager (15 Mar 24)

    Ignored EofException response failure in MetricsHttpChannelListener

  • Chris Eager (15 Mar 24)

    Set request failure to debug in MetricsHttpChannelListener

  • Chris Eager (15 Mar 24)

    Add JettyHttpConfigurationCustomizer

  • Chris Eager (11 Mar 24)

    Rename obsolete uses of recaptcha

  • Alex Konradi (13 Mar 24)

    Don't produce zkgroup auth creds with PNI as ACI

  • Chris Eager (11 Mar 24)

    Support "captcha" rename in AnswerChallengeRequest.type

  • Chris Eager (28 Feb 24)

    Remove RecaptchaClient

  • Chris Eager (12 Mar 24)

    Move WebSocketClient SecureRandom to a static field

  • Chris Eager (12 Mar 24)

    Replace extraneous SecureRandom with empty byte array

  • Ravi Khadiwala (11 Mar 24)

    Adjust metrics in RemoveExpiredUsernameHoldsCommand

  • Jon Chambers (08 Mar 24)

    Actually increment the "get group credentials" counter

  • Chris Eager (08 Mar 24)

    Update to the latest version of the spam filter

  • Chris Eager (07 Mar 24)

    Migrate DynamicConfigurationManager to use java.util.concurrent

  • Ravi Khadiwala (07 Mar 24)

    disable response buffering on the websocket Jersey buffers responses (by default up to 8192 bytes) just so it can add a content length to responses. We already buffer our responses to serialize them as protos, so we can compute the content length ourselves. Setting the buffer to zero disables buffering.

  • Chris Eager (07 Mar 24)

    Address potential NullPointerException when calling Collection#contains

Signal Website

Website

Signal >> Home

Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

Redirects

Does not redirect

Security Checks

All 66 security checks passed

Server Details

  • IP Address 18.64.155.53
  • Hostname server-18-64-155-53.atl56.r.cloudfront.net
  • Location Atlanta, Georgia, United States of America, NA
  • ISP Amazon.com Inc.
  • ASN AS16509

Associated Countries

  • US

Saftey Score

Website marked as safe

100%

Blacklist Check

signal.org was found on 0 blacklists

  • ThreatLog
  • OpenPhish
  • PhishTank
  • Phishing.Database
  • PhishStats
  • URLhaus
  • RPiList Not Serious
  • AntiSocial Blacklist
  • PhishFeed
  • NABP Not Recommended Sites
  • Spam404
  • CRDF
  • Artists Against 419
  • CERT Polska
  • PetScams
  • Suspicious Hosting IP
  • Phishunt
  • CoinBlockerLists
  • MetaMask EthPhishing
  • EtherScamDB
  • EtherAddressLookup
  • ViriBack C2 Tracker
  • Bambenek Consulting
  • Badbitcoin
  • SecureReload Phishing List
  • Fake Website Buster
  • TweetFeed
  • CryptoScamDB
  • StopGunScams
  • ThreatFox
  • PhishFort

Website Preview

View full report at
web-check.xyz

Signal Android App

Update Info

  • App Signal
  • Creation Date 03 May 23
  • Last Updated 06 Dec 23
  • Current Version 6.19.6

Trackers

No trackers found

Permissions

  • Access Secrets
  • Read Settings
  • Install Shortcut
  • Foreground Service
  • Vibrate
  • Read
  • Write
  • Read Phone State
  • Update Shortcut
  • Read Settings
  • Manage Own Calls
  • Read Call State
  • Access Notification Policy
  • Write Contacts
  • Use Biometric
  • Schedule Exact Alarm
  • Bluetooth
  • Write External Storage
  • Authenticate Accounts
  • Access Coarse Location
  • Read Contacts
  • Camera
  • Receive Sms
  • Change Wifi State
  • Read Sync Settings
  • Raised Thread Priority
  • Broadcast Sticky
  • Call Phone
  • Internet
  • Access Network State
  • Modify Audio Settings
  • Provider Insert Badge
  • Use Full Screen Intent
  • Request Ignore Battery Optimizations
  • Record Audio
  • Access Wifi State
  • Get Accounts
  • Write Sync Settings
  • Receive Boot Completed
  • Read Profile
  • Read Sms
  • Badge Count Write
  • Badge Count Read
  • Receive
  • Broadcast Wap Push
  • Use Fingerprint
  • Read Calendar
  • Write Calendar
  • Broadcast Badge
  • Dynamic Receiver Not Exported Permission
  • Post Notifications
  • Read Settings
  • Write Sms
  • Send Sms
  • Set Wallpaper
  • Wake Lock
  • Access Fine Location
  • Update Badge
  • Disable Keyguard
  • Change Badge
  • Read External Storage
  • Update Count
  • Read Phone Numbers
  • Install Shortcut
  • Receive Mms
  • Use Credentials
  • Write Settings
  • Read App Badge
  • Write Settings
  • Change Network State

Signal iOS App

App Info

Signal - Private Messenger

Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private. • Send texts, voice messages, photos, videos, GIFs, and files for free. Signal uses your phone’s data connection, so you avoid SMS and MMS fees. • Call your friends with crystal-clear encrypted voice and video calls. Group calls supported for up to 40 people. • Stay connected with group chats up to 1,000 people. Control who can post and manage group members with admin permission settings. • Share image, text, and video Stories that disappear after 24 hours. Privacy settings keep you in charge of exactly who can see each Story. • Signal is built for your privacy. We know nothing about you or who you’re talking to. Our open source Signal Protocol means that we can’t read your messages or listen to your calls. Neither can anyone else. No back doors, no data collection, no compromises. • Signal is independent and not for profit; a different kind of tech from a different kind of organization. As a 501c3 nonprofit we are supported by your donations, not by advertisers or investors. • For support, questions, or more information please visit https://support.signal.org/ To check out our source code, visit https://github.com/signalapp Follow us on Twitter @signalapp and Instagram @signal_app

Rating

Rated 4.75 out of 5 stars by 704,963 users

Version Info

  • Current Version 7.4
  • Last Updated 27 Mar 24
  • First Released 29 Jul 14
  • Minimum iOS Version 13.0
  • Device Models Supported 93

App Details

  • IPA Size 137.49 Mb
  • Price Free (USD)
  • Age Advisory 12+
  • Supported Languages 41
  • Developer Signal Messenger, LLC
  • Bundle ID org.whispersystems.signal

Screenshots

Signal Reviews

More Encrypted Messaging

  •
    Session Icon

    Session

     getsession.org

    Session is a fork of Signal, however unlike Signal it does not require a mobile number (or any other personal data) to register, instead each user is identified by a public key. It is also decentralized, with servers being run by the community though Loki Net, messages are encrypted and routed through several of these nodes. All communications are E2E encrypted, and there is no meta data.

    Open Source oxen-io/lokinet
    View Session Report
  • XMPP Icon

    XMPP

     xmpp.org

    XMPP, also known as Jabber, is an open standard for decentralized messaging that has been widely used for decades. It has actually been the basis upon which WhatsApp, Facebook's Chat and Google's Talk were built, but these companies (eventually) chose to remove the interoperability with other servers. Prominent XMPP clients support OMEMO end-to-end encryption, which is based on the Double Ratchet Algorithm that is used in Signal. For more hands-on information and to register an account you can visit JoinJabber.

    Open Source xsf/xmpp.org
    View XMPP Report
  • Matrix Icon

    Matrix

     matrix.org

    Matrix is a decentralized open network for secure communications, with E2E encryption with Olm and Megolm. Along with the Element client, it supports VOIP + video calling and IM + group chats. Since Matrix has an open specification and Simple pragmatic RESTful HTTP/JSON API it makes it easy to integrates with existing 3rd party IDs to authenticate and discover users, as well as to build apps on top of it.

    Open Source matrix-org/dendrite
    View Matrix Report
View More...

About the Data: Signal

API

You can access Signal's data programmatically via our API. Simply make a GET request to: 

https://api.awesome-privacy.xyz/communication/encrypted-messaging/signal

The REST API is free, no-auth and CORS-enabled. To learn more, view the Swagger Docs or read the API Usage Guide.

About the Data

Beyond the user-submitted YAML you see above, we also augment each listing with additional data dynamically fetched from several sources. To learn more about where the rest of data included in this page comes from, and how it is computed, see the About the Data section of our About page.

Share Signal

Help your friends compare Encrypted Messaging, and pick privacy-respecting software and services.
Share Signal and Awesome Privacy with your network!

View Encrypted Messaging (4)
Next →

Session