As there are disputed suspicions that Telegram may have connections with the Russian government, it is not recommended to use in Russia. Telegram can be used when tech knowledge is higher in both parties and careful enough to keep their private information in secret chats. Signal does not support all document types and message history is not maintained when a device changes or app reinstalls. If security is not the primary concern, Telegram has a stronger set of features that include photo editing, locating users nearby and scheduled messages. Signal is particularly useful when the technology literacy of a contact is low, as important security features are set by default.
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Should a device be seized, these features protect users against the infamous Cellebrite digital forensics software that may allow intruders to access any past information. Signal includes features like ‘sealed sender’, which encrypts the sender and recipient details and security code, which detects whether the device used by a contact has changed. Using applications with end-to-end-encryption is highly recommended particularly when doing sensitive reporting that relates to government activities, as their forces won’t be able to access message details via any internet service providers (ISP).
The application is powered by donations, does not profit off the selling of any data and collects very limited metadata. All chats and groups have the option to enable disappearing messages.
All conversations use end-to-end encryption (E2EE) by default, blocking even Signal servers from reading its user’s private messages. Journalists should undoubtedly use Signal when security is a top priority, as the encrypted app is being developed by a security-conscious, non-profit organisation. In a policy change, Whatsapp has recently made all metadata accessible by its parent company Facebook, as well as increased its metadata collection scope. Other popular messaging platforms such as WeChat and Whatsapp are not recommended: as WeChat is not encrypted and is monitored by the Chinese regime, it must never be used to communicate sensitive information. Telegram is more widespread with 200 million users compared to Signal’s 40 million users.
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The most commonly used are Signal and Telegram, in operation for ten and eight years respectively and both available for free download on iOs (Apple) and Android (Google). Cybersecurity expert Ben Finn explains why journalists should prefer encrypted messaging application Signal, over other similar applications for the protection of themselves and their sources when communicating sensitive information.Įncrypted messaging applications are an imperative part of keeping your sources and yourself safe when executing journalistic work.
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