Encryption is an essential security tool used by VPNs. It is a process that encodes data, making it unreadable and impossible to access without the correct decryption key. VPNs’ most common types of encryption are SSL/TLS, PPTP, and L2TP. SSL/TLS is a strong encryption that uses 128-bit or higher keys. PPTP is a weaker type of encryption, with less secure 128-bit keys. L2TP provides strong 256-bit encryption and is widely considered the best option for protection against online threats.
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