Cryptomator, AES Crypt, File Lock PEA, EncFS. Another app with a variety of options you can also use is Telegram, where Secret Chats need to be enabled for end-to-end encryption. Stack Exchange network consists of 180 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn. It provides a wide range of security options, such as self-destructing messages, PIN protection or encrypted video calls. It is available for iOS and Android, as well as a desktop app. Figure 5: Although Signal handles the exchange of encryption keys. However, there are email providers, such as ProtonMail or Tutanota, which encrypt your messages automatically when they are sent between their users, and also provide ways to send encrypted emails to those using other providers.Ī free and open source chat app that provides end-to-end encryption by default is Signal. With Cryptomator, you can easily and transparently encrypt your data locally before. If you use an email provider like Gmail or Outlook, you can encrypt your communication using Thunderbird, an open source email client with built-in OpenPGP capabilities, or by using the Mailvelope browser extension which works with popular webmail services. You need to generate a key pair - a public key which you share with others and a private key which you keep secret - in order to exchange encrypted emails with correspondents. This can be done in a variety of ways.Įmails can be encrypted using PGP (Pretty Good Privacy), which is based on public key cryptography. Of course, for journalists and human rights activists encryption is a key component of ensuring secure communication with confidential sources. Similar to hard drives and removable disks, communication channels can also be encrypted by protecting data with a complex cipher so that communication can only be accessed (decrypted) with a password or key. Cryptomator is open source and available for Windows, Linux, MacOS X and mobile platforms (iOS, Android). Files are encrypted within a secure vault which is then stored with cloud service providers, which cannot access the data. It can be used to encrypt only specific files, whole hard disk partitions, removable drives, as well as a partition or drive where Windows is installed ( pre-boot authentication).Ĭryptomator enables you to encrypt your cloud storage files for services such as Dropbox or Google Drive. VeraCrypt is a multi-platform (Windows, Linux, MacOS X) free and open source disk encryption software with advanced capabilities. Encrypting hard drives and removable devices, such as USB drives, is especially recommended for people working with confidential information, primarily journalists and human rights activists. Encryption is the process of protecting data with a complex cipher, scrambling it so that it can only be accessed (decrypted) with a password or key, sometimes requiring an additional authentication factor, e.g.
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