End-to-end encryption, also known as E2EE, encrypts the contents of your messages on your device before they are sent. Only the recipient’s device can then decrypt these messages. This means that no one else, including the app itself, can read the contents of your messages.
Other apps, like WhatsApp and Telegram, also use end-to-end encryption for messages, but there are key phone number library differences in how and when this is applied:
Signal : As mentioned, all communications are end-to-end encrypted by default. In addition, Signal does not collect metadata, such as who is communicating with whom or when conversations take place. As a result, Signal actually
A offers the maximum privacy
WhatsApp : WhatsApp also uses end-to-end encryption, and the technology is very similar to Signal’s. However, the big difference is that marketing list WhatsApp does collect metadata. This is data about who you message and how often you do this, but also about your contact list and timestamps. This data is shared with parent company Meta, which is a thorn in the side of many privacy-conscious users.
Telegram : Messages within
Telegram are not always encrypted with end-to-end encryption. By default, the app only encrypts an inspiring example: bmc on linkedIn the connection between your device and their servers (client-server encryption). Theoretically, Telegram could therefore view the content of your messages. With the ‘Secret Chats’ function, you can ensure that your messages are encrypted.
iMessage : Apple’s iMessage also offers end-to-end encryption for messages by default. However, once you use iCloud to back up your messages, those backups can be accessed by Apple. As a result, security isn’t always watertight even within this popular messaging app.