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(Matrix's encryption library reviewed by an independent party)Дoes the app have self-destructing messages?Д«lank = I couldnвЂ™t find any information about it.WhatsApp is the undisputed ruler of free mobile messaging in the West.

BEST IMESSAGE FOR ANDROID APP CODE

Have there been a recent code audit and an independent security analysis? N/A, Session is excluded from iCloud/iTunes & Android backupsДoes the company log timestamps/IP addresses? N/A, Wire is excluded from iCloud/iTunes & Android backups N/A, Wickr is excluded from iCloud/iTunes & Android backups N/A, Signal is excluded from iCloud/iTunes & Android backups IOS: Yes (if passphrase enabled) Android: Yes (unsure of function)Дoes the app allow a secondary factor of authentication?ДЄre messages encrypted when backed up to the cloud? IOS: Yes (if passphrase enabled) Android: Yes (if master key set in the app) No (session keys do change after being used 100 times)Дoes the app use TLS/Noise to encrypt network traffic?Дoes the app encrypt data on the device? (iOS and Android only) Is personal information (mobile number, contact list, etc.) hashed?Дoes the app generate & keep a private key on the device itself?Дoes the app enforce perfect forward secrecy? No (session only, does not provide users' fingerprint information)Дirectory service could be modified to enable a MITM attack?Дo you get notified if a contact's fingerprint changes? N/A, Google Messages uses RCS, which doesn't use a directory serviceД¬an you manually verify contacts' fingerprints? Yes (clients Element / Riot, server/API )ДЄre reproducible builds used to verify apps against source code?Д¬an you add a contact without needing to trust a directory server? (optional mobile number sent to third party for registration)

BEST IMESSAGE FOR ANDROID APP REGISTRATION

(mandatory mobile number sent to third party for registration & recovery) (User data is sent to a third party if a payment is made) User data and/or metadata sent to parent company and/or third parties? Location / identifiers / purchases / location / contact info / contacts / identifiers / usage data / user content / usage data / diagnosticsД¬ontact info / identifiers / usage data / diagnostics (Information not submitted to Apple Store) (Contact info not sent when using anonymously)

Health & fitness / purchases / financial info / location / contact info / contacts / user content / search history / browsing history / identifiers / usage data / sensitive info / diagnostics / other data (Difficult to assess given the app is integrated into Apple's greater ecosystem) (Difficult to assess given the app is integrated into Google's greater ecosystem) Janus Friis / Iconical / Zeta Holdings Luxembourg / Rakuten / friends and family of Talmon Marco (it's very unclear) Surveillance capability built into the app?Дoes the company provide a transparency report?Д¬ompany's general stance on customers' privacyДЇreedom of the Press Foundation / the Knight Foundation / the Shuttleworth Foundation / the Open Technology Fund / Signal Foundation (Brian Acton) Implicated in giving customers' data to intelligence agencies? Messages: Worldwide (uses de-centralised servers)ДЄttachments: Centralised server in Canada USA, the Netherlands, Australia, Brazil, China, Ireland, Hong Kong, and Japan UK (and potentially all jurisdictions, given it's a decentralised messaging platform) USA (Ireland and Denmark planned) iMessage runs on AWS and Google Cloud Worldwide (rollout on-going, unsure of exact locations, most likely Google Cloud regions) Messages can be read by Facebook if marked as 'abusive'ДЇormer NSA chief Keith Alexander is on AmazonвЂ™s board of directorsДЇurther limit metadata storage and logging Implement perfect forward secrecy at the end-to-end encryption layer Provide more comprehensive independent assessments of security/privacy Remove the mandatory requirement for users to sign up with a mobile number

No independent & recent code audit and security analysis Named as NSA partner in Snowden revelationsДata not protected, not all data protected Improvements to apps that are recommended Main reasons why the app isn't recommended Is the app recommended to secure my messages and attachments?

Best imessage for android app