What Is End-to-End Encryption?

End-to-end encryption is an example of asymmetric encryption. End-to-end encryption protects data, such that it can only be read on the two ends—by the sender and by the recipient. No one else can read the encrypted data, including hackers, governments, and the server through which the data passes. End-to-end encryption implies some other important details. Consider two WhatsApp users communicating through instant messaging. Their data passes through a WhatsApp server while transiting from one user to the other. For other services that offer encryption, the data is encrypted during transfer but is protected only from outside intruders like hackers. The service can intercept the data at their servers and use them. They can potentially hand the data to third parties or to law enforcement authorities.


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