In today's digital world, it is crucial to make sure that a private message is shared securely. I've listed the end-to-end security strategies, tools, and encryption methods below, along with helpful tips for protecting confidentiality while transmission:
1. Public-Key Encryption (Asymmetric Encryption)
How it Works
Uses a pair of keys: a public key for encryption and a private key for decryption. Only the recipient, with the corresponding private key, can decrypt the message.
Tools/Services
- PGP (Pretty Good Privacy): Integrates with email clients for secure messaging.
- GnuPG: A free, open-source implementation of PGP.
2. Secure File-Sharing Services
Characteristics
- End-to-end encryption
- Access controls (passwords, 2FA)
- Secure deletion options
Recommended Services
- Tresorit: Offers end-to-end encrypted file sharing with access controls.
- pCloud: Provides end-to-end encryption with the "pCloud Crypto" feature.
3. Specialized Messaging Apps
Characteristics
- End-to-end encryption by default
- Secure communication protocols (e.g., Signal Protocol)
Recommended Apps
- Signal: Renowned for its strong end-to-end encryption and privacy focus.
- Wire: Offers end-to-end encryption for messages, calls, and file sharing.
4. Secure Email Services
Characteristics
- End-to-end encryption options
- Enhanced privacy policies
Recommended Services
- ProtonMail: Features end-to-end encryption and secure email composition.
- Tutanota: Offers automatic end-to-end encryption for emails.
